Force-set a ClipData to prevent later migration.

migrateExtraStreamToClipData() will only offer to promote Uri values
if a ClipData isn't already defined, so we ensure that a ClipData
value is always defined.  This blocks later promotion and granting.

Bug: 123700107
Test: manual
Change-Id: I99c1411e8b4eb01eb27ac4306e3bf6cc88cb4273
1 file changed