Display options: allow configuration of wake on plug behavior (2/2)

The PowerManager now checks Settings.Global.WAKE_WHEN_PLUGGED_OR_UNPLUGGED
to determine wake-on-plug behavior.  The configuration option
config_unplugTurnsOnScreen is used as the default value of the setting.

PS 2: Fix formatting of if statement

Cherry-picked from: I062794828831a2b6faf4293579103d2251f1bdd0

Change-Id: I7eefff468a64c04e536c377cff3c740a7e568ade
add string for multiscreen

Change-Id: I6214058b77423a13993a80dbd9b4d569c1da22f9
fb: change default value of lid controll to enabled

Change-Id: If8a91d3553344dc6efefe236323aad9b43e7dd50
Fix floating/split collision

Multiwindow split screen was replacing Halo and floating windows, because
the intents were the same.

Change-Id: I29e6e575a0b6a5a6ddf6b6abe593b7c0622a3b33