DO NOT MERGE: Support for different number of signal bars

Telephony and Status Bar
DO NOT MERGE!!! Not yet complete (LTE and images not yet done)
Adds support for user defined signal bar number. The option to
have 4, 5, or 6 signal bars will be added to Setting when code
in frameworks/base is complete. All comments/suggestions are
appreciated!

PS1: Initial commit
PS2: Add missing int (empty int, but still needs to be there)
PS3: Add support for CDMA, EVDO, cleanup changes
PS4: Add drawables (in the wrong spot for now so I can find them)
PS5: Begin updating TelephonyIcons
PS6: Finish majority of TelephonyIcons
PS7: Updates (add calls to Settings to get int value for switches)
PS8: Fixes/updates (fix some calls to Settings, cleanup some code,
     add a missing "4")

Change-Id: Ib5e029a8fa6c51ad4abe9a27023ed49646f431d1