Port CtsVerifier to API 21 Notification Listener API. DO NOT MERGE.

The cancelNotificaiton method now takes a key, so we have to remember those.

This is a back port of changes from lmp-sprout-dev so it should not be mergedd.

Bug: 18054058
Change-Id: Icad265ed28a998e7276d8386e9754a63af6e7b04
1 file changed