Update write permission in MultiUser test apk.

Bug: b/190233841

Test: atest android.multiuser.UserLifecycleTests#startUser
Change-Id: I3ce75174f23b6df24a5cb7bb35d1f1fa791f89b5
(cherry picked from commit 5be2537a46690a41ea1d94ceedf1174a648cdbcb)
diff --git a/apct-tests/perftests/multiuser/AndroidManifest.xml b/apct-tests/perftests/multiuser/AndroidManifest.xml
index 9553304..63e5983 100644
--- a/apct-tests/perftests/multiuser/AndroidManifest.xml
+++ b/apct-tests/perftests/multiuser/AndroidManifest.xml
@@ -20,10 +20,12 @@
 
     <uses-permission android:name="android.permission.CONTROL_KEYGUARD" />
     <uses-permission android:name="android.permission.DEVICE_POWER" />
-    <uses-permission android:name="android.permission.MANAGE_USERS" />
     <uses-permission android:name="android.permission.INSTALL_PACKAGES" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
+    <uses-permission android:name="android.permission.MANAGE_USERS" />
+    <uses-permission android:name="android.permission.REAL_GET_TASKS" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />
 
     <application>