Remove outdated compiler restrictions.

gyp/common_conditions.gypi

Index: gyp/common_conditions.gypi
diff --git a/gyp/common_conditions.gypi b/gyp/common_conditions.gypi
index b1ce5fca6fedcd75564fb5769d4dc26023eba533..b7f439425740cbd4e240351b5fc2c1650a23264a 100644
--- a/gyp/common_conditions.gypi
+++ b/gyp/common_conditions.gypi
@@ -183,6 +183,7 @@
           '-Winit-self',
           '-Wpointer-arith',
 
+          '-Wno-c++11-extensions',
           '-Wno-unused-parameter',
         ],
         'cflags_cc': [
@@ -211,12 +212,6 @@
               }],
             ],
           }],
-          [ 'skia_android_framework==0', {
-            'cflags': [
-              # This flag is not supported by Android build system.
-              '-Wno-c++11-extensions',
-            ],
-          }],
           [ 'skia_warnings_as_errors', {
             'cflags': [
               '-Werror',
@@ -337,8 +332,6 @@
         '-mthumb',
         '-mfpu=neon',
         '-mfloat-abi=softfp',
-        # This flag is not supported by Android build system.
-        '-Wno-c++11-extensions',
         '-fno-exceptions',
         '-fstrict-aliasing',
         # Remove flags to turn on warnings, since most people building Android