Rename GET_PASSWORD_PRIVILEGED and make it signature.

Now named GET_PASSWORD. Now it is just a signature, not privileged.

Bug: 28295831
Change-Id: Ice93b527edced9546639b6c7096aad933c517548
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index a598096..d8e5f24 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -2041,10 +2041,10 @@
     <permission android:name="android.permission.GET_ACCOUNTS_PRIVILEGED"
         android:protectionLevel="signature|privileged" />
 
-    <!-- @SystemApi Allows but does not guarantee access to user passwords at the conclusion of add
-         account -->
-    <permission android:name="android.permission.GET_PASSWORD_PRIVILEGED"
-        android:protectionLevel="signature|privileged" />
+    <!-- Allows but does not guarantee access to user passwords at the conclusion of add account
+    @hide -->
+    <permission android:name="android.permission.GET_PASSWORD"
+        android:protectionLevel="signature" />
 
     <!-- @SystemApi Allows applications to RW to diagnostic resources.
     <p>Not for use by third-party applications. -->