Disable concurrent osr for test-mark-compact/BootUpMemoryUse.

If --concurrent-osr is on, it will imply --concurrent-recompilation, even
though it's expected to be disabled.

R=machenbach@chromium.org

Review URL: https://codereview.chromium.org/143183006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19271 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-mark-compact.cc

@@ -496,6 +496,7 @@ TEST(BootUpMemoryUse) {
   intptr_t initial_memory = MemoryInUse();
   // Avoid flakiness.
   FLAG_crankshaft = false;
+  FLAG_concurrent_osr = false;
   FLAG_concurrent_recompilation = false;
 
   // Only Linux has the proc filesystem and only if it is mapped.  If it's not