Camera tests: Include additional camera metadata header

Bug: 34275821
Test: adb shell /data/nativetest/cameraservice_test/cameraservice_test
--gtest_filter=CameraProviderManagerTest.MultipleVendorTagTest
Complete Camera/Camera2 CTS tests
Change-Id: Ia78e3003ea8433b31388a6451c0b6e37fda64275
diff --git a/tests/camera2/Android.mk b/tests/camera2/Android.mk
index d77c18d..e4f9640 100644
--- a/tests/camera2/Android.mk
+++ b/tests/camera2/Android.mk
@@ -30,6 +30,7 @@
 
 LOCAL_C_INCLUDES += \
 	system/media/camera/include \
+	system/media/private/camera/include \
 	frameworks/av/include/ \
 	frameworks/av/services/camera/libcameraservice \
 	frameworks/native/include \