s4-common: commonize several overlay options

- move to common:
   config_defaultNotificationColor
   config_defaultNotificationLedOn
   config_defaultNotificationLedOff
   config_autoBrightnessLevels
   config_autoBrightnessLcdBacklightValues
   config_autoBrightnessButtonBacklightValues
   config_autoBrightnessKeyboardBacklightValues

- match ordering and comments found in config file which is being overlayed

- config_enableLockScreenTranslucentDecor = true is default now

Change-Id: I0b6504b82a162aef8830ea5231f723a72505986b

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
s4-common: update WCNSS_qcom_cfg.ini

- Enable 5GHz channel bonding
- Support early beacon termination, allowing radio to be turned off
  after TIM IE to save power
- Specify longer data inactivity timeout when in power save
- Use CLPC/SCPC
- Small cache for scan results

Change-Id: I35f281e14d7f36ed5d922a0f9f831e4ee8cac60d
drop some unused overlays