tree 39e6dd2b412ecc26c2558e8a5d69dc1dd55748c1
parent e3462655acf5ff5dc8d6364eb92b757f0e3b5847
author Philip P. Moltmann <moltmann@google.com> 1481675526 -0800
committer gitbuildkicker <android-build@google.com> 1488497044 -0800

Do not write if apply() did not change the file.

Bug: 33385963
Test: SharedPreferences CTS tests
Change-Id: I39955f8fbcdaa54faa539a3c503e12cb00808136
(cherry picked from commit 1f99f81bdc5e8430717def157f4abe1176d6a88e)