tree b3bbf220dcd67c5496110a7096d9349b184411f6
parent f0ab2ec6008bbd495e59bb9bf81ac399d864f38b
author Andreas Gampe <agampe@google.com> 1476240937 -0700
committer Andreas Gampe <agampe@google.com> 1476296558 -0700

ART: Add heap iteration callback

Add callback support for heap iteration. Visiting of fields will
be done in a follow-up.

Add a test.

Bug: 31385354
Test: m test-art-host-run-test-906-iterate-heap
Test: m ART_TEST_GC_STRESS=true ART_TEST_GC_VERIFY=true test-art-host-run-test-906-iterate-heap
Change-Id: I7bcf6751e6df4ef58756ba97701050b2ff5eb07b