Implement NN HAL for compilation caching.
am: fc67805f4a

Change-Id: I5ed5aa712bab9f3844122a1a6ce9aa1f738f6f04
diff --git a/wifi/1.2/default/Android.mk b/wifi/1.2/default/Android.mk
index 3c26383..3919690 100644
--- a/wifi/1.2/default/Android.mk
+++ b/wifi/1.2/default/Android.mk
@@ -30,8 +30,6 @@
 ifdef WIFI_HIDL_FEATURE_DISABLE_AP
 LOCAL_CPPFLAGS += -DWIFI_HIDL_FEATURE_DISABLE_AP
 endif
-# Allow implicit fallthroughs in wifi_legacy_hal.cpp until they are fixed.
-LOCAL_CFLAGS += -Wno-error=implicit-fallthrough
 LOCAL_SRC_FILES := \
     hidl_struct_util.cpp \
     hidl_sync_util.cpp \