Don't show "Eject card" if the card is not accessible

SD card is not accessible without removing the battery on some devices.
Remove the "Eject" options on those devices

Depends on http://review.cyanogenmod.org/62708

Change-Id: Iddfa72314f7c96579ddd98e8fb312236348b7c2d
Add dummy strings to prevent aapt warnings

Change-Id: I13e2b603bafd79bec87ee3c3e04ec8e4d5839ac2
Revert "BT: Multi HF support in Settings App."

This reverts commit 7bbd90528064516a4aae200731a7fd60acd09192.
Settings: disable hardware unlock buttons while secure

Disable the unlock home/menu/camera options in settings
while a secure lockscreen is active to signal they do
not work to the user.

Change-Id: I193d253d40c7ceef80c6659b08d02be7159f476d
Signed-off-by: Roman Birg <roman@cyngn.com>