Revert "Revert "NotificationHelper: Create broadcast receiver for Peek app""

This reverts commit 198b7248d8a73c7761dc0bb1e381cfa06c237d72.

Change-Id: Ib9432fa9daf256cc13a1e752189d0b212bd26ab8
Revert "Revert "NotificationHelper: Define Peek app broadcast intents""

This reverts commit 7eba0e1c0cdf4d3e58d2221f00e6c0effc8ed412.

Change-Id: Ie278a3b9486d4b674d73ccf65f429d0c35d4055d