HALO: Option to pause the underlying app (2/2)

- adds an option to pause the active app when using HALO
- this is enabled by default for devices with low memory
- (currently: <640MB RAM available to the kernel)

Change-Id: Ib7d55150cd7fa6bceec5622773baf8532f3f780e
[2/2] Add triggers to change profile based on AP

Add UI for configuring triggers to active profiles.

Change-Id: I4903ef64d3eced687136a7dcf4d2048ce4b7ca63