Bug 1082172 - Use driver provided event timestamps, r=kats

widget/gonk/moz.build

@@ -78,6 +78,9 @@ LOCAL_INCLUDES += [
 DEFINES['HAVE_OFF64_T'] = True
 DEFINES['SK_BUILD_FOR_ANDROID_NDK'] = True
 
+if CONFIG['ANDROID_VERSION'] != '15':
+    DEFINES['HAVE_POSIX_CLOCKS'] = True
+
 if CONFIG['MOZ_OMX_DECODER']:
     DEFINES['MOZ_OMX_DECODER'] = True