Allow implicit-fallthrough warnings in video_encoder_device_v4l2.cpp.

It will be a global error by default.

Test: make checkbuild
Bug: 112564944
Change-Id: I379c618465365363536aecf3f34e5105ea72e53a
Exempt-From-Owner-Approval: do not block on new warnings
diff --git a/mm-video-v4l2/vidc/venc/Android.mk b/mm-video-v4l2/vidc/venc/Android.mk
index d1e5af1..5397360 100644
--- a/mm-video-v4l2/vidc/venc/Android.mk
+++ b/mm-video-v4l2/vidc/venc/Android.mk
@@ -111,6 +111,9 @@
 LOCAL_SRC_FILES   += src/omx_video_encoder.cpp
 LOCAL_SRC_FILES   += src/video_encoder_device_v4l2.cpp
 
+# Suppress warnings until they are fixed in video_encoder_device_v4l2.cpp
+LOCAL_CFLAGS += -Wno-error=implicit-fallthrough
+
 include $(BUILD_SHARED_LIBRARY)
 
 ifeq ($(call is-board-platform-in-list, $(TARGETS_THAT_NEED_SW_VENC_MPEG4)),true)