CTSV: subtract latency offset for Anker adapter Recognize and validate Xumee, Moshi and Anker USB adapters. Correct for the additional latency added by the Anker adapter. Bug: 354786883 Flag: TEST_ONLY Test: Use Anker USB adapter for Loopback Latency test. Test: Screen should say it subtracts 3.23 msec from the measured latency. Test: Xumee, Moshi and ANker adapters should not cause the Unvalidated Test: dialog to pop up. (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:3a18220d0c14b982a23d4247dce80d383e6f4901) Merged-In: Ie66da1ff51c916f38d1035fc811818d6b3ad1cef Change-Id: Ie66da1ff51c916f38d1035fc811818d6b3ad1cef