Generate debug symbols for interpreted methods.

Add .symtab symbols for method bytecodes in the dex section
(only if the full --generate-debug-info is enabled for now).

Test: m test-art-host-gtest
Test: testrunner.py -b --host --optimizing

Change-Id: Ie90034c921484bc4ff27c5458da78690b629dd0b
14 files changed