Remove Mutex::ClearOwner.

This was a bad idea (of mine) badly implemented (by me). I went a different
and better route in Heap::Destroy, and that fix -- allowing us to destroy
a locked mutex during shutdown -- makes this code obsolete.

Change-Id: I79452a26b4cbf131b37bf9ca131e46500f1e5a5e
3 files changed
tree: f473e0e54aa1d55c229360e717180cb369e932de
  2. build/
  3. jdwpspy/
  4. src/
  5. test/
  6. tools/