Merge "Update string to Android security update" into rvc-dev am: f10afc07...

    <!-- About phone screen, status item label  [CHAR LIMIT=40] -->

    <string name="firmware_version">Android version</string>

    <!-- About phone screen, status item label  [CHAR LIMIT=60] -->

    <string name="security_patch">Android security patch level</string>

    <string name="security_patch">Android security update</string>

    <!-- About phone screen, status item label  [CHAR LIMIT=40] -->

    <string name="model_info">Model</string>

    <!-- About phone screen, status item summary  [CHAR LIMIT=40] -->