Load direct share targets using both APIs in ShareSheet

In framework's ShareSheet, load direct share targets from both
ShortcutManager(new API) and ChooserTargetService(old API).

Bug: 111698461
Test: Manual test on device
Test: atest ChooserActivityTest

Change-Id: I1113b6b1d625ad938d61db9af825a688bd5ef93c
1 file changed