Make framework-tethering stubs use the new defaults

Makes it convenient to change all stubs from a central place.

Bug: 149293194
Test: m framework-tethering-stubs{public,system,module_libs_}api
Exempt-From-Owner-Approval: Approved internally
Change-Id: I330133824e78b3a8927e3d3ffbbd729bcdcb8822
Merged-In: I330133824e78b3a8927e3d3ffbbd729bcdcb8822
(cherry picked from commit c868e771)