tree 4008018fa045a19175270c0660ca26c1d2adde31
parent 6a4bf6a3978447be9fdf83aa6efd9e6b0b4081df
author Louis Chang <louischang@google.com> 1555492501 +0800
committer Louis Chang <louischang@google.com> 1555985999 +0800

Fix NPE when scheduling transaction for null client

Application process was crash and the application thread was set
to null when obtaining the client transaction object. NPE was
thrown by using it to schedule transaction.

Bug: 130006936
Test: WindowProcessControllerTests
Test: ActivityStartControllerTests
Test: RootActivityContainerTests

Change-Id: I65ecb124e014e5d80ebc283884475619f95239fa