Test: m with matching SELinux change. profile sys_srv.

This is a cherry-pick of be583be3.

Bug: 151140716
Change-Id: I545b758421ea7527d75b5d2756a6b11ae475e7de
Merged-In: I545b758421ea7527d75b5d2756a6b11ae475e7de

Okay so this is really not a behavior change as it converts an
NPE into an illegal argument exception, but still, that's what
should happen (and that's what the upcoming test actually tests
for).

Test: upcoming NetworkAgentTest
Bug: 139268426
Change-Id: I0d9b8cb8f8dcb587b9430b486b863efb9e9e77ef
Merged-In: I3e17211c03bc74426bf5e2e414ec322d73b0060b
(cherry picked from commit 827d7cee, aosp/1277595)

Bug: 148636687
Test: atest IPv6TetheringCoordinatorTest

Change-Id: I1ba30bb524cbc0cc2782ce1702f9889c0d8a7576
Merged-In: I939323ce09adb9c66b1e2b83d58b0f892aa8f011
(cherry picked from commit 368c56dd)

Bug: 150644681
Test: test-only change
Merged-In: I8f4a99da2351fdb5467f561a9732b14a8ebf674b
Change-Id: I8f4a99da2351fdb5467f561a9732b14a8ebf674b

Addresses review comments on aosp/1260100.

Bug: 150644681
Test: test-only change
Merged-In: Ia73ba8a121a3744a5e36795d2d2bff2f099c1394
Change-Id: Ia73ba8a121a3744a5e36795d2d2bff2f099c1394

Bug: 130741856
Test: atest TetheringTests
Merged-In: I66614fbf67fba1e7dab0b8a2d41bc30a726e4f38
Change-Id: I66614fbf67fba1e7dab0b8a2d41bc30a726e4f38

1. Add TETHERING_ETHERNET to vaild downstream type. So starting
   ethernet tethering will do entitlement check as well.
2. Ignore request with invalid downstream type on
   handleRequestLatestTetheringEntitlementValue()

Bug: 152828758
Bug: 152828142
Test: atests TetheringTests CtsTetheringTest

Change-Id: Id0cb59cc4681f5ffbde7be54de05a05e46f0ffb8
Merged-In: Id0cb59cc4681f5ffbde7be54de05a05e46f0ffb8
(cherry picked from commit c502e050)

* changes:
  Fixed the heads up layout of conversations
  Fixed an issue where the conversation title was showing doubled

Bug: 151985835
Test: Manual
Change-Id: Ib9e8a39e8cc07cccb12727e98efcc280d13852ab