add defines for new os condition flag(no_codec added in google3 build)

flag reduces build size in xeno by .1 MB

Change-Id: I3fac4ebd243ea506b0a2df2eba32f016ed13a456
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/504539
Reviewed-by: Ben Wagner <bungeman@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
Commit-Queue: Jorge Betancourt <jmbetancourt@google.com>

public.bzl

@@ -823,6 +823,11 @@ def base_defines(os_conditions):
                 "SK_BUILD_FOR_MAC",
                 "SK_GL",
             ],
+            # ANDROID W/ NO CODECS
+            [
+                "SK_BUILD_FOR_ANDROID",
+                "SK_GL",
+            ],
         ],
     )