Fix NullPointerException when refreshing wifi preferences. am: b8011dbb93 am: 5ec9ffe86a

am: a9ac2eea46

Change-Id: I760ab02522c85da10c63a7922b46e93657d174d9
This commit is contained in:
Doris Ling
2016-09-01 00:56:51 +00:00
committed by android-build-merger

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