am ebc55e37: DO NOT MERGE Fix a bug in TaskStackBuilder where task stack PendingIntents would not clear tasks properly.

* commit 'ebc55e37f09dcb8233a22b1cb3889cfd225fa43b':
  DO NOT MERGE Fix a bug in TaskStackBuilder where task stack PendingIntents would not clear tasks properly.
tree: 2eaa37835ce7df929d7e4149f6f826db9920d9ba
  1. v13/
  2. v4/