tree e55c8cad63eb07ab232d3388d5c763a43dbe1d43
parent ab54fb71d630fc66f08c5711de55487b0bf29932
author Marissa Wall <marissaw@google.com> 1555449595 -0700
committer Marissa Wall <marissaw@google.com> 1555449595 -0700

blast: transaction ordering

This patch fixes two issues.

1) When a pending transactions is not found, don't try to use the iterator.
   This fixes a crash that happens when we are in a bad state.
2) When a transaction doesn't have any callbacks, don't try to send
   callbacks.

Bug: 130643588
Test: SurfaceFlinger_test
Change-Id: I6154c31dbf0b958683324c6b45e1a607691b84e8