Delete package sandbox data when it is uninstalled.

Bug: 111890351
Test: manual
Change-Id: I989d507f3352959e824b161a94c0eaad6eed9bba
diff --git a/binder/android/os/IVold.aidl b/binder/android/os/IVold.aidl
index f825a30..ac65b54 100644
--- a/binder/android/os/IVold.aidl
+++ b/binder/android/os/IVold.aidl
@@ -99,8 +99,10 @@
                             int storageFlags);
     void destroyUserStorage(@nullable @utf8InCpp String uuid, int userId, int storageFlags);
 
-    void mountExternalStorageForApp(in @utf8InCpp String packageName, int appId,
-                                    in @utf8InCpp String sandboxId, int userId);
+    void prepareSandboxForApp(in @utf8InCpp String packageName, int appId,
+                              in @utf8InCpp String sandboxId, int userId);
+    void destroySandboxForApp(in @utf8InCpp String packageName, int appId,
+                              in @utf8InCpp String sandboxId, int userId);
 
     boolean startCheckpoint(int retry);
     boolean needsCheckpoint();