Only use snapshot starting window for the same rotation

So the snapshot won't show half if the its has a delta of 90 degree
rotation with the actual activity. If the snapshot is not compatible
with the activity, the starting window type will be splash screen.

Bug: 155862858
Test: atest ActivityRecordTests#testIsSnapshotCompatible
Change-Id: I8d8a926d057f1d18d028fcc03bddbb17ffbbf96b