samsung: doze: specify a qualified user to send the pulse broadcast
Should fix this:
W/ContextImpl(3700): Calling a method in the system process without a qualified user:
android.app.ContextImpl.sendBroadcast:877
android.content.ContextWrapper.sendBroadcast:421
com.cyanogenmod.settings.device.SamsungDozeService.launchDozePulse:151
com.cyanogenmod.settings.device.SamsungDozeService.-wrap1:-1
com.cyanogenmod.settings.device.SamsungDozeService$SamsungProximitySensor.onSensorChanged:81
Change-Id: I680a57c9010d06719c3bd014001b00353f8e12fd