Remove TEST_MAPPING, failing rust tests

* rvc-dev has out-of-date .bp and TEST_MAPPING files,
  whose failing tests were ignored but now detected by
  newer tradefed test runners.
* Remove/ignore these tests for rvc-dev and down-stream branches.

Bug: b/162561729
Test: make and atest
Merged-In: I755cd12edf2f7f8ff8b5258f9d34b3f3af02fe5d
Change-Id: Ifd140b2828ef44e0d7ad07a4dc19d945cabae8a9
3 files changed