Merge "getDisplayDecorationSupport test: allow errors" into tm-dev

        const auto [error, support] =

                mComposerClient->getDisplayDecorationSupport(display.getDisplayId());

        EXPECT_TRUE(error.isOk());

        const auto format =

                support ? support->format

        const auto format = (error.isOk() && support) ? support->format

                        : aidl::android::hardware::graphics::common::PixelFormat::RGBA_8888;

        const auto decorBuffer = allocate(static_cast<::android::PixelFormat>(format));

        ASSERT_NE(nullptr, decorBuffer);