commit 1ddfba4a60792f39f1af516033b633a774a16f89
author markchien <markchien@google.com> Wed Nov 27 21:20:33 2019 +0800
committer Mark Chien <markchien@google.com> Fri Nov 29 07:07:11 2019 +0000
tree 8f6ffd1eb287ec9c07f364b966f1c1f17adc6c38
parent 0f63ca6e913bc8d5f3157d468a8fd70cae7b1b3e

[Tether10]Remove UserManagerInternal usage in Tethering

To be the unbundled application, tethering can not use UserManagerInternal
method anymore. Replace it by listening user restriction change intent.

Also fix some cleanup from
https://android-review.googlesource.com/c/platform/frameworks/base/+/1131002

Bug: 143195885
Test: -build, flash, boot
      -atest TetheringTests
      -manual test. Add a trigger point to call
       UserManager.setUserRestriction(DISALLOW_CONFIG_TETHERING) from
       Settings. Open hotspot -> restrict tethering from new adding trigger
       point -> hotspot is OFF and Tethering settings are not available.

Change-Id: I4ed08d20f8b7476b8ecd5d018b75806dd2f22cc1