Moved upload hooks to use python3 by default.

Bug: None
Change-Id: If117b4c753c7352bf2eae1a52ffaf15c806c373f
Tests: This upload
30 files changed
tree: 6ed94f8945f0f7dbc9d35868d71d3bd335200a39
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg