fix the issue slice cannot be triggered from uri

Bug: 122879432
Change-Id: Id36a45bbbdb858b5b8d9fd6f1b3f5f97eb84e9fd
Test:
1. install SliceViewer (https://github.com/android/user-interface-samples/releases)
2. adb shell am start -d "slice-https://sliceviewer.android.example.com/hello"
(cherry picked from commit 09b91e60)

parent 438e0828

core/java/android/app/slice/SliceManager.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -390,6 +390,8 @@ public class SliceManager {
		}
		Bundle extras = new Bundle();
		extras.putParcelable(SliceProvider.EXTRA_INTENT, intent);
		extras.putParcelableArrayList(SliceProvider.EXTRA_SUPPORTED_SPECS,
		new ArrayList<>(supportedSpecs));
		final Bundle res = provider.call(SliceProvider.METHOD_MAP_INTENT, null, extras);
		if (res == null) {
		return null;