More multi-user methods in PM

pm can list installed packages by user now.

Bug: 6926465

Change-Id: I822311bfd6e7e2d6fb315fc484739fbf953c9bb6
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index c4f1371..7870031 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -407,6 +407,12 @@
     @SuppressWarnings("unchecked")
     @Override
     public List<PackageInfo> getInstalledPackages(int flags) {
+        return getInstalledPackages(flags, UserHandle.myUserId());
+    }
+
+    /** @hide */
+    @Override
+    public List<PackageInfo> getInstalledPackages(int flags, int userId) {
         try {
             final List<PackageInfo> packageInfos = new ArrayList<PackageInfo>();
             PackageInfo lastItem = null;
@@ -414,7 +420,7 @@
 
             do {
                 final String lastKey = lastItem != null ? lastItem.packageName : null;
-                slice = mPM.getInstalledPackages(flags, lastKey);
+                slice = mPM.getInstalledPackages(flags, lastKey, userId);
                 lastItem = slice.populateList(packageInfos, PackageInfo.CREATOR);
             } while (!slice.isLastSlice());
 
@@ -460,12 +466,19 @@
     @Override
     public List<ResolveInfo> queryIntentActivities(Intent intent,
                                                    int flags) {
+        return queryIntentActivitiesForUser(intent, flags, UserHandle.myUserId());
+    }
+
+    /** @hide Same as above but for a specific user */
+    @Override
+    public List<ResolveInfo> queryIntentActivitiesForUser(Intent intent,
+                                                   int flags, int userId) {
         try {
             return mPM.queryIntentActivities(
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                UserHandle.myUserId());
+                userId);
         } catch (RemoteException e) {
             throw new RuntimeException("Package manager has died", e);
         }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 0e1fe3e..b0ae5da 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -127,7 +127,7 @@
      * limit that kicks in when flags are included that bloat up the data
      * returned.
      */
-    ParceledListSlice getInstalledPackages(int flags, in String lastRead);
+    ParceledListSlice getInstalledPackages(int flags, in String lastRead, in int userId);
 
     /**
      * This implements getInstalledApplications via a "last returned row"
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index e5ddfda..5399583 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -1469,6 +1469,45 @@
     public abstract List<PackageInfo> getInstalledPackages(int flags);
 
     /**
+     * Return a List of all packages that are installed on the device, for a specific user.
+     * Requesting a list of installed packages for another user
+     * will require the permission INTERACT_ACROSS_USERS_FULL.
+     * @param flags Additional option flags. Use any combination of
+     * {@link #GET_ACTIVITIES},
+     * {@link #GET_GIDS},
+     * {@link #GET_CONFIGURATIONS},
+     * {@link #GET_INSTRUMENTATION},
+     * {@link #GET_PERMISSIONS},
+     * {@link #GET_PROVIDERS},
+     * {@link #GET_RECEIVERS},
+     * {@link #GET_SERVICES},
+     * {@link #GET_SIGNATURES},
+     * {@link #GET_UNINSTALLED_PACKAGES} to modify the data returned.
+     * @param userId The user for whom the installed packages are to be listed
+     *
+     * @return A List of PackageInfo objects, one for each package that is
+     *         installed on the device.  In the unlikely case of there being no
+     *         installed packages, an empty list is returned.
+     *         If flag GET_UNINSTALLED_PACKAGES is set, a list of all
+     *         applications including those deleted with DONT_DELETE_DATA
+     *         (partially installed apps with data directory) will be returned.
+     *
+     * @see #GET_ACTIVITIES
+     * @see #GET_GIDS
+     * @see #GET_CONFIGURATIONS
+     * @see #GET_INSTRUMENTATION
+     * @see #GET_PERMISSIONS
+     * @see #GET_PROVIDERS
+     * @see #GET_RECEIVERS
+     * @see #GET_SERVICES
+     * @see #GET_SIGNATURES
+     * @see #GET_UNINSTALLED_PACKAGES
+     *
+     * @hide
+     */
+    public abstract List<PackageInfo> getInstalledPackages(int flags, int userId);
+
+    /**
      * Check whether a particular package has been granted a particular
      * permission.
      *
@@ -1755,6 +1794,29 @@
             int flags);
 
     /**
+     * Retrieve all activities that can be performed for the given intent, for a specific user.
+     *
+     * @param intent The desired intent as per resolveActivity().
+     * @param flags Additional option flags.  The most important is
+     * {@link #MATCH_DEFAULT_ONLY}, to limit the resolution to only
+     * those activities that support the {@link android.content.Intent#CATEGORY_DEFAULT}.
+     *
+     * @return A List&lt;ResolveInfo&gt; containing one entry for each matching
+     *         Activity. These are ordered from best to worst match -- that
+     *         is, the first item in the list is what is returned by
+     *         {@link #resolveActivity}.  If there are no matching activities, an empty
+     *         list is returned.
+     *
+     * @see #MATCH_DEFAULT_ONLY
+     * @see #GET_INTENT_FILTERS
+     * @see #GET_RESOLVED_FILTER
+     * @hide
+     */
+    public abstract List<ResolveInfo> queryIntentActivitiesForUser(Intent intent,
+            int flags, int userId);
+
+
+    /**
      * Retrieve a set of activities that should be presented to the user as
      * similar options.  This is like {@link #queryIntentActivities}, except it
      * also allows you to supply a list of more explicit Intents that you would