Stop rebooting Android devices during Swarming tasks

Swarming will reboot the devices after each task.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2402403002

Review-Url: https://codereview.chromium.org/2402403002

infra/bots/recipe_modules/flavor/gn_android_flavor.py

@@ -98,7 +98,6 @@ class GNAndroidFlavorUtils(default_flavor.DefaultFlavorUtils):
       """,
       args=[self.m.vars.skia_out.join(self.m.vars.configuration)],
       infra_step=True)
-      self._adb('reboot', 'reboot')
       self._adb('kill adb server', 'kill-server')
 
   def step(self, name, cmd, env=None, **kwargs):

infra/bots/recipes/swarm_perf.expected/Perf-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-GN_Android_Vulkan.json

@@ -439,14 +439,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_perf.expected/Perf-Android-Clang-Nexus5-GPU-Adreno330-arm-Debug-GN_Android.json

@@ -439,14 +439,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_perf.expected/Perf-Android-Clang-Nexus6-GPU-Adreno420-arm-Release-GN_Android.json

@@ -493,14 +493,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_perf.expected/Perf-Android-Clang-Nexus7-GPU-Tegra3-arm-Release-GN_Android.json

@@ -493,14 +493,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_perf.expected/Perf-Android-Clang-NexusPlayer-GPU-PowerVR-x86-Release-GN_Android.json

@@ -493,14 +493,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-AndroidOne-CPU-MT6582-arm-Release-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-AndroidOne-GPU-Mali400MP2-arm-Release-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-GalaxyS3-GPU-Mali400-arm-Debug-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-NVIDIA_Shield-GPU-TegraX1-arm64-Debug-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-Nexus10-GPU-MaliT604-arm-Release-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-Nexus6-GPU-Adreno420-arm-Debug-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-Nexus6p-GPU-Adreno430-arm64-Debug-GN_Android_Vulkan.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-Nexus7-GPU-Tegra3-arm-Debug-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-Nexus9-CPU-Denver-arm64-Debug-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/Test-Android-Clang-NexusPlayer-CPU-SSE4-x86-Release-GN_Android.json

@@ -590,14 +590,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",

infra/bots/recipes/swarm_test.expected/failed_get_hashes.json

@@ -592,14 +592,6 @@
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
-  {
-    "cmd": [
-      "adb",
-      "reboot"
-    ],
-    "cwd": "[SLAVE_BUILD]/skia",
-    "name": "reboot"
-  },
   {
     "cmd": [
       "adb",