Framework: Add Advanced reboot (2 of 2) By DvTonder

This commit responds to a setting in Development settings for including
options in the power menu for rebooting into recovery or bootloader. It
is defauled to off.

When enabled, the Advanced reboot options will only be available once the
device is unlocked.

Change-Id: I675f31de1f82c344c7923e953fd4a6e26dd036da
[2/2] base: Set AdvancedReboot to be enabled by default
RE: http://jira.omnirom.org/browse/OMNI-1

Because I am a dufus

Edit 9001: Setting this to be enabled by default for all users

Change-Id: Icd2c10ffd20c172374c51f300912b5c710f73bf8