Improve disasembly of BL to thread entrypoint trampoline.

Test: Manual, search for "\bbl\b" in `m dump-oat` output and
      oatdump of an individual oat file for arm and arm64.
Change-Id: Idb6d8d1a21b2aa8c77e5b72f24faf7a4e655294c
3 files changed