Add circle gear to display options [2/2]

PS1:  Fixed whitespaces and tabs
PS3:  Resized hdpi icons to 27 pixels
ps4:  for x in `find packages/apps/SystemUI/res/ -name '*.png'`; do optipng -nc -nb -o7 $x; done

Change-Id: I46c4baa636ecc09b80f85fbb667a2228e4551536
Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>

Conflicts:
	packages/SystemUI/res/drawable-hdpi/ic_qs_signal_data_off.png
	packages/SystemUI/res/drawable-mdpi/ic_qs_signal_data_off.png
	packages/SystemUI/res/drawable-sw600dp-mdpi/ic_sysbar_lights_out_dot_large.png
	packages/SystemUI/res/drawable-sw720dp-mdpi/ic_sysbar_signal_inout.png
	packages/SystemUI/res/drawable-xhdpi/stat_sys_wifi_in.png
	packages/SystemUI/src/com/android/systemui/statusbar/policy/BatteryController.java
Gear Icon