Move more PM calls to ParceledListSlice.

Since the data returned by these calls can grow unbounded based on
various GET flags, we need to switch 'em over.

Bug: 27391893
Change-Id: Ie849ca30dbaaa91158da4c83675657715629a0ee
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 1bc33b8..14688c1 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -193,7 +193,7 @@
 
     private ContextImpl mSystemContext;
 
-    static IPackageManager sPackageManager;
+    static volatile IPackageManager sPackageManager;
 
     final ApplicationThread mAppThread = new ApplicationThread();
     final Looper mLooper = Looper.myLooper();
@@ -218,7 +218,7 @@
     // set of instantiated backup agents, keyed by package name
     final ArrayMap<String, BackupAgent> mBackupAgents = new ArrayMap<String, BackupAgent>();
     /** Reference to singleton {@link ActivityThread} */
-    private static ActivityThread sCurrentActivityThread;
+    private static volatile ActivityThread sCurrentActivityThread;
     Instrumentation mInstrumentation;
     String mInstrumentationPackageName = null;
     String mInstrumentationAppDir = null;
@@ -296,7 +296,7 @@
     final GcIdler mGcIdler = new GcIdler();
     boolean mGcIdlerScheduled = false;
 
-    static Handler sMainThreadHandler;  // set once in main()
+    static volatile Handler sMainThreadHandler;  // set once in main()
 
     Bundle mCoreSettings = null;
 
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index 38f32f7..0b44925 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -275,7 +275,7 @@
     public List<PermissionInfo> queryPermissionsByGroup(String group, int flags)
             throws NameNotFoundException {
         try {
-            List<PermissionInfo> pi = mPM.queryPermissionsByGroup(group, flags);
+            List<PermissionInfo> pi = mPM.queryPermissionsByGroup(group, flags).getList();
             if (pi != null) {
                 return pi;
             }
@@ -304,7 +304,7 @@
     @Override
     public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
         try {
-            return mPM.getAllPermissionGroups(flags);
+            return mPM.getAllPermissionGroups(flags).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -441,7 +441,12 @@
     @Override
     public FeatureInfo[] getSystemAvailableFeatures() {
         try {
-            return mPM.getSystemAvailableFeatures();
+            final List<FeatureInfo> list = mPM.getSystemAvailableFeatures().getList();
+            final FeatureInfo[] res = new FeatureInfo[list.size()];
+            for (int i = 0; i < res.length; i++) {
+                res[i] = list.get(i);
+            }
+            return res;
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -772,7 +777,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -802,9 +807,10 @@
         }
 
         try {
-            return mPM.queryIntentActivityOptions(caller, specifics,
-                                                  specificTypes, intent, intent.resolveTypeIfNeeded(resolver),
-                                                  flags, mContext.getUserId());
+            return mPM
+                    .queryIntentActivityOptions(caller, specifics, specificTypes, intent,
+                            intent.resolveTypeIfNeeded(resolver), flags, mContext.getUserId())
+                    .getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -820,7 +826,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -851,7 +857,7 @@
                 intent,
                 intent.resolveTypeIfNeeded(mContext.getContentResolver()),
                 flags,
-                userId);
+                userId).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -867,7 +873,8 @@
             Intent intent, int flags, int userId) {
         try {
             return mPM.queryIntentContentProviders(intent,
-                    intent.resolveTypeIfNeeded(mContext.getContentResolver()), flags, userId);
+                    intent.resolveTypeIfNeeded(mContext.getContentResolver()), flags, userId)
+                    .getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -926,7 +933,7 @@
     public List<InstrumentationInfo> queryInstrumentation(
         String targetPackage, int flags) {
         try {
-            return mPM.queryInstrumentation(targetPackage, flags);
+            return mPM.queryInstrumentation(targetPackage, flags).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1572,7 +1579,7 @@
     @Override
     public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) {
         try {
-            return mPM.getIntentFilterVerifications(packageName);
+            return mPM.getIntentFilterVerifications(packageName).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1581,7 +1588,7 @@
     @Override
     public List<IntentFilter> getAllIntentFilters(String packageName) {
         try {
-            return mPM.getAllIntentFilters(packageName);
+            return mPM.getAllIntentFilters(packageName).getList();
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
         }
@@ -1892,31 +1899,21 @@
             throw e.rethrowFromSystemServer();
         }
     }
+
     @Override
     public void addPackageToPreferred(String packageName) {
-        try {
-            mPM.addPackageToPreferred(packageName);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "addPackageToPreferred() is a no-op");
     }
 
     @Override
     public void removePackageFromPreferred(String packageName) {
-        try {
-            mPM.removePackageFromPreferred(packageName);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "removePackageFromPreferred() is a no-op");
     }
 
     @Override
     public List<PackageInfo> getPreferredPackages(int flags) {
-        try {
-            return mPM.getPreferredPackages(flags);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        Log.w(TAG, "getPreferredPackages() is a no-op");
+        return Collections.emptyList();
     }
 
     @Override
diff --git a/core/java/android/content/pm/AppsQueryHelper.java b/core/java/android/content/pm/AppsQueryHelper.java
index e542589..4c01b27 100644
--- a/core/java/android/content/pm/AppsQueryHelper.java
+++ b/core/java/android/content/pm/AppsQueryHelper.java
@@ -171,7 +171,7 @@
             return mPackageManager.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES
                     | PackageManager.GET_DISABLED_COMPONENTS, userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -181,9 +181,9 @@
             return mPackageManager.queryIntentActivities(intent, null,
                     PackageManager.GET_DISABLED_COMPONENTS
                             | PackageManager.GET_UNINSTALLED_PACKAGES,
-                    userId);
+                    userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -192,9 +192,9 @@
         try {
             return mPackageManager.queryIntentServices(intent, null,
                     PackageManager.GET_META_DATA
-                            | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, userId);
+                            | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS, userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -205,8 +205,7 @@
             return mPackageManager.getPackagesHoldingPermissions(new String[]{perm}, 0,
                     userId).getList();
         } catch (RemoteException e) {
-            throw new IllegalStateException("Package manager has died", e);
+            throw e.rethrowFromSystemServer();
         }
     }
-
 }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 0389085..b4e9f60 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -71,11 +71,11 @@
 
     PermissionInfo getPermissionInfo(String name, int flags);
 
-    List<PermissionInfo> queryPermissionsByGroup(String group, int flags);
+    ParceledListSlice queryPermissionsByGroup(String group, int flags);
 
     PermissionGroupInfo getPermissionGroupInfo(String name, int flags);
 
-    List<PermissionGroupInfo> getAllPermissionGroups(int flags);
+    ParceledListSlice getAllPermissionGroups(int flags);
 
     ApplicationInfo getApplicationInfo(String packageName, int flags ,int userId);
 
@@ -138,24 +138,24 @@
 
     boolean canForwardTo(in Intent intent, String resolvedType, int sourceUserId, int targetUserId);
 
-    List<ResolveInfo> queryIntentActivities(in Intent intent,
+    ParceledListSlice queryIntentActivities(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentActivityOptions(
+    ParceledListSlice queryIntentActivityOptions(
             in ComponentName caller, in Intent[] specifics,
             in String[] specificTypes, in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentReceivers(in Intent intent,
+    ParceledListSlice queryIntentReceivers(in Intent intent,
             String resolvedType, int flags, int userId);
 
     ResolveInfo resolveService(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentServices(in Intent intent,
+    ParceledListSlice queryIntentServices(in Intent intent,
             String resolvedType, int flags, int userId);
 
-    List<ResolveInfo> queryIntentContentProviders(in Intent intent,
+    ParceledListSlice queryIntentContentProviders(in Intent intent,
             String resolvedType, int flags, int userId);
 
     /**
@@ -189,7 +189,7 @@
      * @return A List&lt;applicationInfo> containing one entry for each persistent
      *         application.
      */
-    List<ApplicationInfo> getPersistentApplications(int flags);
+    ParceledListSlice getPersistentApplications(int flags);
 
     ProviderInfo resolveContentProvider(String name, int flags, int userId);
 
@@ -210,7 +210,7 @@
     InstrumentationInfo getInstrumentationInfo(
             in ComponentName className, int flags);
 
-    List<InstrumentationInfo> queryInstrumentation(
+    ParceledListSlice queryInstrumentation(
             String targetPackage, int flags);
 
     /** @deprecated Use PackageInstaller instead */
@@ -240,12 +240,6 @@
 
     String getInstallerPackageName(in String packageName);
 
-    void addPackageToPreferred(String packageName);
-
-    void removePackageFromPreferred(String packageName);
-
-    List<PackageInfo> getPreferredPackages(int flags);
-
     void resetApplicationPreferences(int userId);
 
     ResolveInfo getLastChosenActivity(in Intent intent,
@@ -406,7 +400,7 @@
      * Get a list of features that are available on the
      * system.
      */
-    FeatureInfo[] getSystemAvailableFeatures();
+    ParceledListSlice getSystemAvailableFeatures();
 
     boolean hasSystemFeature(String name, int version);
 
@@ -480,8 +474,8 @@
     void verifyIntentFilter(int id, int verificationCode, in List<String> failedDomains);
     int getIntentVerificationStatus(String packageName, int userId);
     boolean updateIntentVerificationStatus(String packageName, int status, int userId);
-    List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName);
-    List<IntentFilter> getAllIntentFilters(String packageName);
+    ParceledListSlice getIntentFilterVerifications(String packageName);
+    ParceledListSlice getAllIntentFilters(String packageName);
 
     boolean setDefaultBrowserPackageName(String packageName, int userId);
     String getDefaultBrowserPackageName(int userId);