Merge "Fixed gpuservice_unittest mem leaks"

                ::testing::UnitTest::GetInstance()->current_test_info();

        ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name());

        // This is required for test due to GpuStats instance spawns binder transactions

        // in its destructor. After the gtest destructor test exits immidiatelly.

        // It results in binder thread not able to process above binder transactions and memory leak

        // occures. Binder thread needs time to process callbacks transactions.

        // It leads to GpuStats instance destructor needs to be called in advance.

        mGpuStats.reset(nullptr);

        // performs all pending callbacks until all data has been consumed

        // gives time to process binder transactions by thread pool

        looper->pollAll(1000);