Bump the default C++ standard up to C++14.
This also drops the NDK default back to C++98 (or C++11 for code using
libc++). The platform NDK build should match the normal NDK build.
Bug: http://b/23043421
Change-Id: I3a336767ce271e84f4dfdebdadb3a98e5689def9
diff --git a/core/config.mk b/core/config.mk
index fec018b..876161b 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -114,7 +114,7 @@
COMMON_GLOBAL_CFLAGS:= -DANDROID -fmessage-length=0 -W -Wall -Wno-unused -Winit-self -Wpointer-arith
COMMON_RELEASE_CFLAGS:= -DNDEBUG -UDEBUG
-COMMON_GLOBAL_CPPFLAGS:= $(COMMON_GLOBAL_CFLAGS) -Wsign-promo -std=gnu++11
+COMMON_GLOBAL_CPPFLAGS:= $(COMMON_GLOBAL_CFLAGS) -Wsign-promo
COMMON_RELEASE_CPPFLAGS:= $(COMMON_RELEASE_CFLAGS)
GLOBAL_CFLAGS_NO_OVERRIDE := \