Merge "Update screen pinning strings to say Overview" into lmp-dev

    <!-- [CHAR LIMIT=28] Screen pinning title -->

    <string name="screen_pinning_title">Screen pinning</string>

    <!-- [CHAR LIMIT=300] Screen pinning description -->

    <string name="screen_pinning_description">When this setting is turned on, you can put the device in a state that keeps the current screen in view.\n\nTo pin a screen:\n\n1. Turn this setting on.\n\n2. Open an app.\n\n3. Touch the Recents button.\n\n4. Touch the pin icon.</string>

    <string name="screen_pinning_description">When turned on, you can use screen pinning to keep the current screen in view until you unpin.\n\nTo use screen pinning:\n\n1. Make sure screen pinning is turned on.\n\n2. Open the screen you want to pin.\n\n3. Touch Overview.\n\n4. Touch the pin icon.</string>

    <!-- Title for a work profile. [CHAR LIMIT=25] -->

    <string name="managed_user_title">Work profile</string>