PackageManager: Fix logic around upgrading text display

* This code has all threads writing into the integer keeping track of
  the number of packages at once.
* Make this integer an atomic one, preventing all threads from racing
  when updating it.

Change-Id: I727306f8ab20edb7ec2a955ca20e6de0146c7737
Fix PackageManagerService WTF in systemReady()

This resolves the following error:
F/SystemServer(31979): BOOT FAILURE making Package Manager Service ready
F/SystemServer(31979): java.lang.SecurityException: Unable to find app for caller android.app.ActivityThread$ApplicationThread@42171630 (pid=31979) when registering receiver android.app.LoadedApk$ReceiverDispatcher$InnerReceiver@420d1130
F/SystemServer(31979):  at com.android.server.am.ActivityManagerService.registerReceiver(ActivityManagerService.java:13157)
F/SystemServer(31979):  at android.app.ContextImpl.registerReceiverInternal(ContextImpl.java:1506)
F/SystemServer(31979):  at android.app.ContextImpl.registerReceiverAsUser(ContextImpl.java:1481)
F/SystemServer(31979):  at com.android.internal.content.PackageMonitor.register(PackageMonitor.java:84)
F/SystemServer(31979):  at com.android.server.pm.UserManagerService.systemReady(UserManagerService.java:237)
F/SystemServer(31979):  at com.android.server.pm.PackageManagerService.systemReady(PackageManagerService.java:11305)
F/SystemServer(31979):  at com.android.server.ServerThread.initAndLoop(SystemServer.java:1022)
F/SystemServer(31979):  at com.android.server.SystemServer.main(SystemServer.java:1372)
F/SystemServer(31979):  at java.lang.reflect.Method.invokeNative(Native Method)
F/SystemServer(31979):  at java.lang.reflect.Method.invoke(Method.java:515)
F/SystemServer(31979):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
F/SystemServer(31979):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
F/SystemServer(31979):  at dalvik.system.NativeStart.main(Native Method)

TODO: Revisit this in the future when Google updates AOSP for multiple
system contexts.

Change-Id: I74be7a7a3ba1ede55a8ccae7c86e7650b27f435e
Don't create idmap if app doesn't have resources.arsc

Some apps do not have a restable but some legacy themes
try to theme these apps anyways. In this case we skip
the idmap creation process.

Change-Id: I8bc60984299791733d4fe8c9bbcaa75eca6d736b
Fix icon support for secondary users.

This fixes the problem when switching to a secondary user and
icons are currently applied.  Prior to this patch the secondary
user would see droids as their icons and apps would FC at start.

Change-Id: Icd4275eae5868612bf2a81b375ac4d0779a61395
Updating ActivityIntentResolver so that queryIntents doesn't return protected applications.

Any calls from System UID(1000) are not filtered

Change-Id: I037cddaf91b6943b8cc837c5b046cf320c4caa5f