Halo size (2/2) - This commit complements this: 3f401366b68197d1c1a583c44aeb798d010de625

Change-Id: I668f454fb082ed7d43222a8d2dad0779c76bdc84

Conflicts:

	res/values/cm_strings.xml
Halo: Add master switch to disable Halo (2/2)

Change-Id: I78942ea1a31b7158172614b9f7baf2255b15db25

Conflicts:

	res/values/cm_strings.xml
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: I3289bdcd0574ffe2c1cca63cc98fbfc10404b42e

Conflicts:

	res/values/cm_strings.xml