Show every single permission only for platform permission group

Package installer stopped when tap email permissions, because email
defines an additional permission, but package installer can not find
its group,so it throws null point exception, so show every single
permission only for platform permission group.

Change-Id: Ib56b4b4b6fef2ec112321787d34c35c211652a60

Author: Jiao Yuan

src/com/android/packageinstaller/permission/ui/handheld/AppPermissionsFragment.java

@@ -241,7 +241,7 @@ private void loadPreferences() {
                 }
                 mExtraScreen.addPreference(preference);
             }
-            if (AppPermissionGroup.isStrictOpEnable()) {
+            if (AppPermissionGroup.isStrictOpEnable() && isPlatform) {
                 try {
                     PackageManager pm = context.getPackageManager();
                     for (Permission permission : group.getPermissions()) {
@@ -357,9 +357,11 @@ public boolean onPreferenceChange(final Preference preference, Object newValue)
             LocationUtils.showLocationDialog(getContext(), mAppPermissions.getAppLabel());
             return false;
         }
+
+        final boolean isPlatform = group.getDeclaringPackage().equals(Utils.OS_PKG);
         if (newValue == Boolean.TRUE) {
             group.grantRuntimePermissions(false);
-            if (AppPermissionGroup.isStrictOpEnable()) {
+            if (AppPermissionGroup.isStrictOpEnable() && isPlatform) {
                 updateEveryPermissionPreference(group);
             }
         } else {
@@ -375,7 +377,7 @@ public boolean onPreferenceChange(final Preference preference, Object newValue)
                             public void onClick(DialogInterface dialog, int which) {
                                 ((SwitchPreference) preference).setChecked(false);
                                 group.revokeRuntimePermissions(false);
-                                if (AppPermissionGroup.isStrictOpEnable()) {
+                                if (AppPermissionGroup.isStrictOpEnable() && isPlatform) {
                                     updateEveryPermissionPreference(group);
                                 }
                                 if (!grantedByDefault) {
@@ -387,7 +389,7 @@ public void onClick(DialogInterface dialog, int which) {
                 return false;
             } else {
                 group.revokeRuntimePermissions(false);
-                if (AppPermissionGroup.isStrictOpEnable()) {
+                if (AppPermissionGroup.isStrictOpEnable() && isPlatform) {
                     updateEveryPermissionPreference(group);
                 }
             }