tree 5b09bb2bb3c8da41d2e6b411a090f31aecb4bfba
parent d61cc80acac3441826707422423d5881522d8d32
author Filip Pavlis <pavlis@google.com> 1484075829 +0000
committer Filip Pavlis <pavlis@google.com> 1484236991 +0000

Add getParent() on Preference.

Preference class now keeps track of its PreferenceGroup parent which
makes it easier to remove it from the preference hierarchy.

This required a new API method.

Test: Separate CTS CL being submitted along this one, see the topic.
BUG: 30599046
Change-Id: Ia9f274ef0315cb09a8c558e781b10f57efd28406