Fix a problem that Dialog does not close in new dispatch.

We can treat Dialog as a standard widget that handles back.
Its dedicated back nav type is not in use and can eventually be removed.

Test: try dismiss dialog in BackTest app.

Change-Id: If89856ccfac8b1fd968aa674628476de02fbf489

parent b541557f

core/java/android/app/Dialog.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -465,7 +465,8 @@ public class Dialog implements DialogInterface, Window.Callback,
		onBackPressed();
		}
		};
		getOnBackInvokedDispatcher().registerSystemOnBackInvokedCallback(mDefaultBackCallback);
		getOnBackInvokedDispatcher().registerOnBackInvokedCallback(
		mDefaultBackCallback, OnBackInvokedDispatcher.PRIORITY_DEFAULT);
		mDefaultBackCallback = null;
		}
		}