tree d2eda9ee9a552dcd22f3cdbb755ad99d31a8277c
parent c4bfcc12e92fe3d8f6f1dad0c12176d6dae3131d
author Kenny Root <kroot@google.com> 1399656809 -0700
committer Kenny Root <kroot@google.com> 1399658934 -0700

WindowManagerService: add some defensive checks

Add checks before posting a message to the handler thread where
exceptions will crash the service.

Also make KeyguardLock fields final.

Bug: 14564617
Change-Id: I147d579d942f5fa555714d204cde52e2cd5f6154