[SP21] Address comments for API council review about aosp/1172143

Test: atest FrameworksNetTests ImsPhoneCallTrackerTest
Test: atest TetheringTests NetworkStackTests
Test: m doc-comment-check-docs
Fix: 148552904

Change-Id: I141393f229e772d2eb9f7c156849e379bd71b845
Merged-In: I141393f229e772d2eb9f7c156849e379bd71b845
(cherry picked from aosp/1253717)
2 files changed
tree: 5a5fc315fb69242d4fcd3b2a37a22856d2b1cd9e
  1. Tethering/