Merge "Update battery saver condition text." into pi-dev

    <string name="condition_battery_title">Battery Saver is on</string>

    <!-- Summary of condition that battery saver is on [CHAR LIMIT=NONE] -->

    <string name="condition_battery_summary">Performance is reduced. Location services and background data are turned off.</string>

    <string name="condition_battery_summary">Battery Saver turns off some device features and restricts apps</string>

    <!-- Title of condition that cellular data is off [CHAR LIMIT=50] -->

    <string name="condition_cellular_title">Mobile data is off</string>