Merge "Update string char limit"

    <!-- Sound: Other sounds: Title for the option enabling boot sounds. [CHAR LIMIT=30] -->

    <string name="boot_sounds_title">Power on sounds</string>

    <!-- Sound: Title for the Do not Disturb option and associated settings page. [CHAR LIMIT=30] -->

    <!-- Sound: Title for the Do not Disturb option and associated settings page. [CHAR LIMIT=50]-->

    <string name="zen_mode_settings_title">Do not disturb preferences</string>

    <!-- Do not disturb: Title for the Priority interruptions option and associated settings page. [CHAR LIMIT=30] -->