TD_SCDMA signal strength support

Change-Id: I0a86eba7c51834054400233044610fa08e7f7fcd
Pie: fix PIE_GRAVITY receiver

pie gravity in pie settings will not take effect immediately,this commit can fix it

Change-Id: Ic343b40f1f655195b54169231312a8db9292242d
Remove duplicate ringtones

Change-Id: I0b1b319bbe9d5a4eb3847b45ab50dee94ed01a8b
Signed-off-by: kecinzer <kecinzer@gmail.com>