Cleanup packages/Tethering/common/TetheringLib

Merge the otherwise unused tethering-aidl-interfaces into
framework-tethering.

This is in preparation for converting to use java_sdk_library.

Bug: 155164730
Test: m droid
Merged-In: I4583539d11ba69320aa5a0dfcfee072c81affac2
Change-Id: I4583539d11ba69320aa5a0dfcfee072c81affac2
(cherry picked from commit 267dd95c3e93f75c42c3f4e5cf576829b528f6c2)
1 file changed
tree: 55e382d9295b5c828623cb3b73fd0aa1d6bf89b5
  1. Tethering/