Use -Werror in hardware/interfaces/automotive/vehicle

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: I6a9233b4a2df7b6403dbabffb75cc4905d3da887
Merged-In: I851c9b2ff956b0f6d9d7a6076d495aad9038a66a
diff --git a/automotive/vehicle/2.0/default/Android.mk b/automotive/vehicle/2.0/default/Android.mk
index 72e1364..ebc565d 100644
--- a/automotive/vehicle/2.0/default/Android.mk
+++ b/automotive/vehicle/2.0/default/Android.mk
@@ -28,6 +28,8 @@
     common/src/VehiclePropertyStore.cpp \
     common/src/VehicleUtils.cpp \
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_C_INCLUDES := \
     $(LOCAL_PATH)/common/include/vhal_v2_0
 
@@ -53,6 +55,8 @@
     common/src/VehiclePropertyStore.cpp \
     common/src/VehicleUtils.cpp \
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_C_INCLUDES := \
     $(LOCAL_PATH)/common/include/vhal_v2_0
 
diff --git a/automotive/vehicle/2.1/default/Android.mk b/automotive/vehicle/2.1/default/Android.mk
index f19263c..f6efc0e 100644
--- a/automotive/vehicle/2.1/default/Android.mk
+++ b/automotive/vehicle/2.1/default/Android.mk
@@ -25,6 +25,8 @@
 LOCAL_SRC_FILES := \
     common/src/Obd2SensorStore.cpp
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_C_INCLUDES := \
     $(LOCAL_PATH)/common/include/vhal_v2_1 \
     $(LOCAL_PATH)/../../2.0/default/common/include/vhal_v2_0 \