Don't cancel the previous request if it's fulfilled.

In Rotation Resolver Manager, we incorrectly send addtional 'cancelled'
results to WOL. This change fixes that issue.

Bug: 191792497
Test: maually tested the feature.

Change-Id: I5de023d7cc5b8429d11d7037afa9d32a21f55762

services/core/java/com/android/server/rotationresolver/RotationResolverManagerPerUserService.java

@@ -109,7 +109,7 @@ final class RotationResolverManagerPerUserService extends
         ensureRemoteServiceInitiated();
 
         // Cancel the previous on-going request.
-        if (mCurrentRequest != null) {
+        if (mCurrentRequest != null && !mCurrentRequest.mIsFulfilled) {
             cancelLocked();
         }