Merge "permission(core): Modify protection level for SUBSCRIBE_TO_KEYGUARD" into udc-dev

        android:protectionLevel="signature" />

    <!-- Allows an application to subscribe to keyguard locked (i.e., showing) state.

         <p>Protection level: internal|role

         <p>Intended for use by ROLE_ASSISTANT only.

         <p>Protection level: signature|role

         <p>Intended for use by ROLE_ASSISTANT and signature apps only.

    -->

    <permission android:name="android.permission.SUBSCRIBE_TO_KEYGUARD_LOCKED_STATE"

                android:protectionLevel="internal|role"/>

                android:protectionLevel="signature|role"/>

    <!-- Must be required by a {@link android.service.autofill.AutofillService},

         to ensure that only the system can bind to it.