tree a040974308315d1188739c4bd7aceeeb817ae33c
parent 0b99b0166909a6202997528a34418b22dcf25f84
author Sanket Padawe <sanketpadawe@google.com> 1457121357 -0800
committer Sanket Padawe <sanketpadawe@google.com> 1457121357 -0800

Fix phone crash in MobileNetworkSettings.

+ Avoid crash due to race condition caused by
1)onCreate
2)Handler posts message
3)Orientation change of screen, destroys activity
4)Handler handles message and access getPreferenceScreen which is null.

Bug: 27425313
Change-Id: I39a34d860a58e16001a7163e30a2a308cd65bb10