tree 1e170c6a55d7c6855372485d5195abc000cdea7c
parent a2e7f7f613358cdbe205586d6151a2056d1c085c
author Robert Carr <racarr@google.com> 1548453748 -0800
committer Robert Carr <racarr@google.com> 1548693326 -0800

Fix crash when reparenting layer to itself.

Currently this creates unbounded recursion and a SurfaceFlinger
crash.

Bug: 123283486
Test: Transaction_test.cpp
Change-Id: Ieae19cb3a7724de2ddb95a895328dd5b4a8d8782