More test makefile cleanup.

Global variables kill.
No need to manually link gtest, and that causes problems with
libc++.

Change-Id: If804cdd436cf1addfa9a777708efbc37c27770b6

tests/Android.mk

@@ -1,26 +1,25 @@
-# Build the unit tests.
+#
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 LOCAL_PATH := $(call my-dir)
+
 include $(CLEAR_VARS)
-
-# Build the unit tests.
-test_src_files := \
-    asn1_decoder_test.cpp
-
-shared_libraries := \
-    liblog \
-    libcutils
-
-static_libraries := \
-    libgtest \
-    libgtest_main \
-    libverifier
-
-$(foreach file,$(test_src_files), \
-    $(eval include $(CLEAR_VARS)) \
-    $(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
-    $(eval LOCAL_STATIC_LIBRARIES := $(static_libraries)) \
-    $(eval LOCAL_SRC_FILES := $(file)) \
-    $(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
-    $(eval LOCAL_C_INCLUDES := $(LOCAL_PATH)/..) \
-    $(eval include $(BUILD_NATIVE_TEST)) \
-)
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_STATIC_LIBRARIES := libverifier
+LOCAL_SRC_FILES := asn1_decoder_test.cpp
+LOCAL_MODULE := asn1_decoder_test
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
+include $(BUILD_NATIVE_TEST)