DO NOT MERGE: frameworks-test: adding missing @SmallTest

This activates all frameworks-test tests in runs of the continuous
platform tests.

Test: $ runtest frameworks-net passes (expect Tether
Bug: 32561414
(cherry picked from commit fa8a6f6220d1a0027ba7969c2d3f72690ddc6495)

Change-Id: I7b0706a7e3368f971d508388e8ad4afc5de9d646
10 files changed