[Safer intents] Permission controller

To avoid implicit intents, make intents launch explicitly.

Test: build, manual
Bug: 323061508
Change-Id: Ib95b417fc8682f690890fc55f321b4fece2c0369

src/com/android/settings/applications/appinfo/DefaultAppShortcutPreferenceControllerBase.java

@@ -105,6 +105,7 @@ public abstract class DefaultAppShortcutPreferenceControllerBase extends BasePre
             return false;
         }
         final Intent intent = new Intent(Intent.ACTION_MANAGE_DEFAULT_APP)
+                .setPackage(mContext.getPackageManager().getPermissionControllerPackageName())
                 .putExtra(Intent.EXTRA_ROLE_NAME, mRoleName);
         mContext.startActivity(intent);
         return true;