jasonwshsu 648811b2b4 Add the preference controller to control accessibility button fade preference
* Opacity preference will be disabled when fade is disabled

cherry picked from commit f9fdedaafe

Bug: 173940869
Test: atest AccessibilityButtonFadePreferenceControllerTest AccessibilityButtonOactiyPreferenceControllerTest
Change-Id: I1efd9760aa0287899cddd10ddd9a88a81ccc39ba
Merged-In: I1efd9760aa0287899cddd10ddd9a88a81ccc39ba
2021-03-17 23:01:36 +08:00
2019-04-04 12:49:15 -07:00
2019-11-25 20:28:35 +09:00
2019-02-06 15:44:40 +00:00
2020-02-03 01:03:46 +00:00
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3.1 GiB
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Java 89.8%
Kotlin 10.2%