SystemUI: add CHANGE_NETWORK_MODE permission

Required for 2G/3G quick settings toggle

Change-Id: I72392bd995d12c22388c99f34abb431cd0be8f0d
pm: Prevent a system_server crash is package name is null

 * If an app is placed on the system partition and it doesn't specify a
   valid package name, system_server will crash forever. Just skip it.

Change-Id: I9b911d40b3c4d7cf6fac8cc0166a2ba359329b7b
Prevent lock/unlock sound during music playback

Lock/unlock sound mixes in with music and causes
lag and distortion.

Change-Id: I9d3582c6bf28aa62a5a6712bc9e89eb2f73e0288
Fix the resource IDs used by CTS tests

* Google didn't make networkAttributes a public resource, so everyone
  is failing CTS after adding new resources to the framework. This
  fixes it.
* Same thing with config_useFixedVolume

Change-Id: I720b36d0922b636fe30f691f016add6b8cc7ade3