Remove explicit dex_pc from RecordPcInfo

Special cases considered:
 * Frame entry (hardcoded to be 0) or block entry.
 * Native debuggable + slow paths, which is the only case where we
   use the instruction's dex_pc.

Test: m test-art-host-gtest
Test: art/test/testrunner/testrunner.py --host --64 -b --optimizing
Change-Id: Ic5e0a6b5106395b891a9a45ea48da39dfb44a0a5
10 files changed