Package restrictions per user

Packages can be enabled/disabled per user.
This requires maintaining stopped/launched states and
enabled / disabled components and packages per user.

Refactored pm.Settings and PackageSettingsBase to keep
track of states per user.

Migrated the stopped-packages.xml to users/<u>/package-restrictions.xml

Changed intent resolution to handle individual user restrictions.
Bunch of IPackageManager calls now have a userId argument.
Make AppWidgetService handle removals of packages.

Added some tests for pm.Settings and PackageManager.

Change-Id: Ia83b529e1df88dbcb3bd55ebfc952a6e9b20e861
diff --git a/services/java/com/android/server/am/CompatModePackages.java b/services/java/com/android/server/am/CompatModePackages.java
index cd72202..3ba3fbb 100644
--- a/services/java/com/android/server/am/CompatModePackages.java
+++ b/services/java/com/android/server/am/CompatModePackages.java
@@ -121,7 +121,7 @@
     public void handlePackageAddedLocked(String packageName, boolean updated) {
         ApplicationInfo ai = null;
         try {
-            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0);
+            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0, 0);
         } catch (RemoteException e) {
         }
         if (ai == null) {
@@ -220,7 +220,7 @@
     public int getPackageScreenCompatModeLocked(String packageName) {
         ApplicationInfo ai = null;
         try {
-            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0);
+            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0, 0);
         } catch (RemoteException e) {
         }
         if (ai == null) {
@@ -232,7 +232,7 @@
     public void setPackageScreenCompatModeLocked(String packageName, int mode) {
         ApplicationInfo ai = null;
         try {
-            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0);
+            ai = AppGlobals.getPackageManager().getApplicationInfo(packageName, 0, 0);
         } catch (RemoteException e) {
         }
         if (ai == null) {
@@ -365,7 +365,7 @@
                 }
                 ApplicationInfo ai = null;
                 try {
-                    ai = pm.getApplicationInfo(pkg, 0);
+                    ai = pm.getApplicationInfo(pkg, 0, 0);
                 } catch (RemoteException e) {
                 }
                 if (ai == null) {