tree acc68e91f050baa35ad1b041a4bfb5310a9c3073
parent 33f68ebf93496a701933c70e5e768799883fd700
author sanryhuang <sanryhuang@google.com> 1539011422 +0800
committer sanryhuang <sanryhuang@google.com> 1556183964 +0800

Fix app crash while running in second display

Launch DocumentsUI at second display,then crash happened after
pressing right button of mouse to trigger conext menu.

Create a new DecorContext instance for external display.

Bug: b/117215434
Test: atest PhoneWindowTest, DecorContextTest and manual test
Change-Id: I2f1dc1ac3721a20a7a49cfcde97fb168fcbfcc56