Rename Profiles to System profiles

L includes 'Users & Profiles', rename ours to distinguish features
and prevent confusion.

Change-Id: I5a148dcf5fea1b24448d254105b0bd6904a4ddd8
Development Settings: Reenable Nuplayer

* Nuplayer is now the default in Lollipop, do not uncheck the setting when disabling developer options.

Change-Id: Ic47365192404a866434630a7a4f2f669b8f80233
bugfix: there are other options after in-app search

On "Settings -> Buttons -> Home Button -> Long press action" there's
a list of options. Any option after the "in-app search" one was being
ignored.

Change-Id: I136235a6798496a0a8786bad59b168845c677bdd