Remove unneeded main.cpp

BUILD_NATIVE_TEST actually includes
a main, so this is potentially conflicting

Change-Id: Ic1e60ab3c005417e8aef3d3521409ea034616764

libs/hwui/unit_tests/Android.mk

@@ -14,7 +14,6 @@
 # limitations under the License.
 #
 
-local_target_dir := $(TARGET_OUT_DATA)/local/tmp
 LOCAL_PATH:= $(call my-dir)/..
 
 include $(CLEAR_VARS)
@@ -28,8 +27,7 @@ include $(LOCAL_PATH)/Android.common.mk
 LOCAL_SRC_FILES += \
     unit_tests/ClipAreaTests.cpp \
     unit_tests/DamageAccumulatorTests.cpp \
-    unit_tests/LinearAllocatorTests.cpp \
-    unit_tests/main.cpp
+    unit_tests/LinearAllocatorTests.cpp
 
 
 include $(BUILD_NATIVE_TEST)

libs/hwui/unit_tests/main.cpp

@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#include <gtest/gtest.h>
-
-int main(int argc, char **argv) {
-    ::testing::InitGoogleTest(&argc, argv);
-    return RUN_ALL_TESTS();
-}