Makefile to support building XtsOEMCryptoTestCases module

This makefile will be linked to from the vendor/xts project,
and defines how to build the oemcrypto_unittest executable into
an xts compatible native test.

Bug: 18952052
Change-Id: I8158cad703b558b88070cc46dafcf109699ecc77

libwvdrmengine/oemcrypto/test/Android.mk

@@ -3,39 +3,11 @@ LOCAL_PATH:= $(call my-dir)
 # THIS IS FOR THE MOCK TESTS:
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES:= \
-  oemcrypto_test.cpp
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_C_INCLUDES += \
-  external/gtest/include \
-  external/openssl/include \
-  $(LOCAL_PATH)/../include \
-  $(LOCAL_PATH)/../mock/src \
-  vendor/widevine/libwvdrmengine/cdm/core/include \
-  vendor/widevine/libwvdrmengine/third_party/stringencoders/src \
-
-LOCAL_STATIC_LIBRARIES := \
-  libcdm \
-  libcdm_utils \
-  libgtest_ndk \
-  libgtest_main_ndk \
-  libwvlevel3 \
-  libcdm_utils \
-
-LOCAL_SHARED_LIBRARIES := \
-  libcrypto \
-  libcutils \
-  libdl \
-  liblog \
-  libutils \
-  libz \
-
 LOCAL_MODULE:=oemcrypto_test
+LOCAL_MODULE_TAGS := tests
 
 LOCAL_MODULE_TARGET_ARCH := arm mips x86
 
-LOCAL_CXX_STL := stlport
+include $(LOCAL_PATH)/common.mk
 
 include $(BUILD_EXECUTABLE)