aconfig: move all tests to presubmit

The tests added to TEST_MAPPING in aosp/2870454 have now soaked in
postsubmit long enough to be allowed to advance to presubmit.

Bug: N/A
Test: atest --test-mapping $(gettop)/build/tools/aconfig
Test: Treehugger
Change-Id: Ia75c76ae114c16a57c26aafa159560639baea707