tree 33ae1b091a97411c00fd83c33586ee1ac79649b7
parent 64fee1cfe1c202f244415ceacd48e77618941f00
author Fan Zhang <zhfan@google.com> 1488493627 -0800
committer Fan Zhang <zhfan@google.com> 1488502942 -0800

Fix a NPE when clicking encryption interstitial header

Pref tree handler cannot assume preference has non-null key.

Change-Id: I790e75f3b4c888e2a48b297bea89cda0b8dbaabd
Fix: 35855587
Test: runtest --path tests/app/src/com/android/settings/EncryptionInterstitialTest.java