C++17 is now the default.

Test: builds
Change-Id: I19f5dbbb6e6386d67b5f593407a03bdcba11e3b1
diff --git a/camera/QCamera2/Android.mk b/camera/QCamera2/Android.mk
index 65afd61..368efff 100644
--- a/camera/QCamera2/Android.mk
+++ b/camera/QCamera2/Android.mk
@@ -58,7 +58,6 @@
 LOCAL_CFLAGS += -DUSE_MEDIA_EXTENSIONS
 endif
 
-LOCAL_CFLAGS += -std=c++14 -std=gnu++1z
 #HAL 1.0 Flags
 LOCAL_CFLAGS += -DDEFAULT_DENOISE_MODE_ON -DHAL3 -DQCAMERA_REDEFINE_LOG