Enable -Wconversion for Client.

Bug: 129481165
Test: atest libsurfaceflinger_unittest
Change-Id: I7e7ade6a38a02bcc94ff96d90f902b96afa2da9b
diff --git a/services/surfaceflinger/Client.cpp b/services/surfaceflinger/Client.cpp
index aac6c91..8da2e24 100644
--- a/services/surfaceflinger/Client.cpp
+++ b/services/surfaceflinger/Client.cpp
@@ -14,10 +14,6 @@
  * limitations under the License.
  */
 
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wconversion"
-
 #include <stdint.h>
 #include <sys/types.h>
 
@@ -132,6 +128,3 @@
 
 // ---------------------------------------------------------------------------
 }; // namespace android
-
-// TODO(b/129481165): remove the #pragma below and fix conversion issues
-#pragma clang diagnostic pop // ignored "-Wconversion"