mtp: import fix for cpu utilization

commit f2388b3c23754f33f9bba1f73c0b2ca57f00e546
Author: James Wei <jameswei@google.com>
Date:   Tue Dec 18 17:39:58 2018 +0800

    MTP: CPU usage high while under MTP mode.

    poll timeout not setting well in MTP ffs handler.
    This will cause MTP ffs handler not going into sleep mode.

    Bug: 121171744
    Test: MTP 500 Mbyte file copy throughput from / to Host (no drop)
    Change-Id: I9b8a7257670b8e536bf2ea81118d297211254984

Change-Id: Ic79f6b04334074c73b62325b53112719ba29255d
1 file changed