Merge "Add default value for TCP buffers"

         rmem_min,rmem_def,rmem_max,wmem_min,wmem_def,wmem_max

         If this is configured as an empty string, the system default will be applied.

    -->

    <string name="config_tcp_buffers" translatable="false"></string>

    <string name="config_tcp_buffers" translatable="false">2097152,6291456,16777216,512000,2097152,8388608</string>

    <java-symbol type="string"  name="config_tcp_buffers" />

    <!-- What source to use to estimate link upstream and downstream bandwidth capacities.