Enable Surfaces on Android (try #4)

The browser compositor contents and renderer contents are each put into separate
layers which are aggregated together by a Display.

BUG=449319

Review URL: https://codereview.chromium.org/1147193005

Cr-Commit-Position: refs/heads/master@{#339793}

content/browser/gpu/compositor_util.cc

@@ -283,7 +283,7 @@ bool IsForceGpuRasterizationEnabled() {
 
 bool UseSurfacesEnabled() {
 #if defined(OS_ANDROID)
-  return false;
+  return true;
 #endif
   bool enabled = false;
 #if defined(USE_AURA) || defined(OS_MACOSX)