Skip shared element transition for implicit intent

When launching an EDIT action from the long screenshot activity,
only send a shared element transition when the target is specified.

The shared element transtion ActivityOptions cause a crash when
sent through ResolverActivity.

Bug: 277206284
Test: manual; modified build to suppress editor component name
Change-Id: I57262c622c1d5c2ab4930f3c1bb3512d4dd37ea3