Update javadoc on START_FOREGROUND_SERVICES_FROM_BACKGROUND.

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

        android:protectionLevel="signature|privileged|vendorPrivileged|oem|verifier" />

    <!-- Allows an application to start foreground services from background, can only be granted to

         privileged apps or app that is SMS/EMERGENCY/SYSTEM GALLERY roles. -->

    <!-- Allows an application to start foreground services from the background at any time.

         <em>This permission is not for use by third-party applications</em>,

         with the only exception being if the app is the default SMS app.

         Otherwise, it's only usable by privileged apps, app verifier app, and apps with

         any of the EMERGENCY or SYSTEM GALLERY roles.

         -->

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

                android:protectionLevel="signature|privileged|vendorPrivileged|oem|verifier|role"/>