SurfaceFlinger: disable -Wconversion for RefreshRateSelectionTest.cpp

Test: build
Bug: 147835296
Change-Id: I7b53296cfc31ea5cef88448f8480ad67842741bd
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
index c23a660..cffdc14 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateSelectionTest.cpp
@@ -14,6 +14,10 @@
  * limitations under the License.
  */
 
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+
 #undef LOG_TAG
 #define LOG_TAG "LibSurfaceFlingerUnittests"
 
@@ -280,4 +284,7 @@
 }
 
 } // namespace
-} // namespace android
\ No newline at end of file
+} // namespace android
+
+// TODO(b/129481165): remove the #pragma below and fix conversion issues
+#pragma clang diagnostic pop // ignored "-Wconversion"