Move up to C++14.

The default standard version is now ahead of us. Stop specifying C++11
so we get that too.

Change-Id: Ic96942cd7fd134118e29b744601b0119e49b6ac4
diff --git a/benchmarks/Android.mk b/benchmarks/Android.mk
index e1580fe..20742bd 100644
--- a/benchmarks/Android.mk
+++ b/benchmarks/Android.mk
@@ -29,7 +29,6 @@
     -Wunused \
 
 benchmark_cppflags := \
-    -std=gnu++11 \
 
 benchmarklib_src_files := \
     Benchmark.cpp \
diff --git a/libc/Android.mk b/libc/Android.mk
index 0f18ca4..74ac33b 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -623,7 +623,6 @@
 
 # Define some common cppflags
 libc_common_cppflags := \
-    -std=gnu++11
 
 # Define some common includes
 # ========================================================
diff --git a/linker/Android.mk b/linker/Android.mk
index d378e90..8422018 100644
--- a/linker/Android.mk
+++ b/linker/Android.mk
@@ -42,7 +42,6 @@
     -std=gnu99 \
 
 LOCAL_CPPFLAGS += \
-    -std=gnu++11 \
     -Wold-style-cast \
 
 ifeq ($(TARGET_IS_64_BIT),true)
diff --git a/linker/tests/Android.mk b/linker/tests/Android.mk
index 35992c5..0aaee3e 100644
--- a/linker/tests/Android.mk
+++ b/linker/tests/Android.mk
@@ -23,7 +23,7 @@
 
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
-LOCAL_CFLAGS += -g -Wall -Wextra -Wunused -Werror -std=gnu++11
+LOCAL_CFLAGS += -g -Wall -Wextra -Wunused -Werror
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../libc/
 
 LOCAL_SRC_FILES := \
diff --git a/tests/Android.mk b/tests/Android.mk
index fc47e80..205ccc5 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -46,8 +46,7 @@
 test_cflags += -DUSE_JEMALLOC
 endif
 
-test_cppflags = \
-    -std=gnu++11 \
+test_cppflags := \
 
 libBionicStandardTests_src_files := \
     arpa_inet_test.cpp \
diff --git a/tests/libs/Android.mk b/tests/libs/Android.mk
index 662aeef..8615934 100644
--- a/tests/libs/Android.mk
+++ b/tests/libs/Android.mk
@@ -17,7 +17,7 @@
 LOCAL_PATH := $(call my-dir)
 TEST_PATH := $(LOCAL_PATH)/..
 
-common_cppflags += -std=gnu++11
+common_cppflags :=
 common_additional_dependencies := \
     $(LOCAL_PATH)/Android.mk \
     $(LOCAL_PATH)/Android.build.dt_runpath.mk \