Clear calling identity when enabling WebView fallback logic.

Using the shell to enable/disable the WebView fallback logic would,
before this CL, fail because the package from where we update the actual
setting wouldn't match that of the calling UID.

Bug: 27957671
Change-Id: Iedf3be71aeef572ebf92c1db163eb8f461b8287a

parent 06112bb2

services/core/java/com/android/server/webkit/WebViewUpdateService.java

+6 −1

Original line number	Diff line number	Diff line
		@@ -242,7 +242,12 @@ public class WebViewUpdateService extends SystemService {
		throw new SecurityException(msg);
		}

		long callingId = Binder.clearCallingIdentity();
		try {
		WebViewUpdateService.this.mImpl.enableFallbackLogic(enable);
		} finally {
		Binder.restoreCallingIdentity(callingId);
		}
		}
		}
		}