Disable Generational CC collection with non-Baker read barriers.

The current implementation of the Sticky-Bit CC collector is only
compatible with Baker read barriers. Disable it for other read barrier
types (in particular, table-lookup read barriers).

Test: ART_USE_GENERATIONAL_CC=true art/test.py
Test: ART_USE_GENERATIONAL_CC=true ART_READ_BARRIER_TYPE=TABLELOOKUP art/test.py
Bug: 67628039
Bug: 12687968
Change-Id: I6740de047545230397b65c21faf7738ad7124f8f
1 file changed