BluetoothManagerService: fix enabling/disabling BT from Quictsettings under second user,

Change-Id: I8173559b2c734968ef4a8d86fddaa3a73d5c2b1e
(cherry picked from commit fe625c56d15eb091caddbf115ef90ebdf62490c0)
Keyguard: Fix PIN layout on sw320dp-mdpi devices

Fix a long standing lockscreen layout problem that was introduced in 4.2
Also cleanup the dimensions overrides to match cm-11.0

Before: http://i.imgur.com/9sVKHRR.png
After: http://i.imgur.com/DLY4DRu.png

Change-Id: Ia3cdc0d10217a0a2504a7287f480d9f036e66eee
allow forcing HighEndGfx mode

Allow forcing high end gfx mode in low-ram devices

Michael Bestas <mikeioannina@gmail.com>: Backported from kitkat

Change-Id: Ied6de65276425fa1e7db0bf9da35f1932a355172