Move RootCanal to tools/ folder

The new directory is added as a new visibility rules
instead of replacing the old one to avoid an automerger
conflict. The old path will be removed in a following CL.

Test: m root-canal
Change-Id: Ic6489b57d0b03cf6f0c7cd400b578394cdea300d
1 file changed
tree: 95807c69ef3ed3e114e86ebb8480a94b9ea90789
  1. libbacktrace/
  2. libunwindstack/
  3. OWNERS
  4. PREUPLOAD.cfg