Merge "Build in C++11 mode on Unix-like bots." into master-skia

https://skia.googlesource.com/skia/+/f3cdce79103558c4136cc6e8b04d50a0b0f04eb4

Change-Id: Icc07e6027f0a3a750de7bdbb82fe6f7451827b9f
diff --git a/dm/Android.mk b/dm/Android.mk
index 6c828f7..338f334 100644
--- a/dm/Android.mk
+++ b/dm/Android.mk
@@ -9,13 +9,13 @@
 include $(CLEAR_VARS)
 LOCAL_CFLAGS += \
 	-fPIC \
-	-Wno-c++11-extensions \
 	-Wno-unused-parameter \
 	-U_FORTIFY_SOURCE \
 	-D_FORTIFY_SOURCE=1 \
 	-DSKIA_IMPLEMENTATION=1
 
 LOCAL_CPPFLAGS := \
+	-std=c++11 \
 	-Wno-invalid-offsetof
 
 LOCAL_SRC_FILES := \