tree ca9ce84a9c5bf4bfed59e6ed3af472d531d3665e
parent 61c1d4fa04fb30f7dbc846e091fdfffb4a078517
author George Mount <mount@google.com> 1479774070 -0800
committer George Mount <mount@google.com> 1483564577 -0800

Fix NPE when a shared element doesn't have a matching transitionName.

Bug 33053923

Also added an early error check when the same shared element is
used for multiple shared elements in the source or target fragment.

Test: gradlew connectedCheck in fragment/
Change-Id: If5dfbac66cfd9e60660439ce5c519547de3ef1d0