Merge "GPU Memory: update unittest to reduce flakiness"

    void SetUp() override {

        SKIP_IF_BPF_NOT_SUPPORTED;

        ASSERT_EQ(0, bpf::setrlimitForTest());

        bpf::setrlimitForTest();

        mGpuMem = std::make_unique<GpuMem>();

        mTestableGpuMem = TestableGpuMem(mGpuMem.get());