FB: Volume panel background color && transparency [2/2]

Allow user to specify background color and transparency level
    for volume panel.

PS: color now applies instantaneously after setting the preference.
Change-Id: I23a09d302fe090fe4aed6dd9024c73056d14fba1
Fix error in build
Fix heads up tile click action.

Change-Id: I0afe7a293b8deaf1da21d74ce38fca5b3e64669e
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_frameworks_base into android-4.4