Also add loading screen to manage permissions as this can take a
long time to load in some circumstances. Build loading screens into
Utils and SettingsPreferenceFragment so that it can be easily used
other places in the future.
Change-Id: I7febd06695487e02ced793a9fd418051b5f0eab8
Add a screen that shows a list of permissions and how many apps
have been granted them, link to PackageInstaller for control of
the permissions.
Depends on I68cdbe53177f742daf396f4eb53761fd5cda2636
Change-Id: I183848ea89ea41a17eaf663441dc4ef963be99bf
