SystemUI: Make the HSPA+ drawables more consistent with the HSPA drawables

Though the older HSPA+ drawables are sharper, that makes them look
out of place in comparison with the HSPA drawables.

Change-Id: I76313ae0125b3a8fda928b240f33715e48f77867
QuickSettings: Better Mobile network tile disabled overlay handling

Change-Id: I0a2b6b570912002d9f1edf5809c1aa532e1531a0
Merge "QuickSettings: Better Mobile network tile disabled overlay handling" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_frameworks_base into cm-10.1