Wei Wang 5934d8aab5 Fix potential racing by wall time change in USBhal ...

pthread_cond_timedwait used wall time so it might introduce racing,
pthread_cond_timedwait_monotonic_np is Android specific but it is being
deprecated. And now Android support pthread_condattr_setclock so use it
to wait on CLOCK_MONOTONIC instead.

Bug: 64623895
Test: USB switch function works, charging/MTP/PTP
Change-Id: I136533ff90ef1be2b042ef1e0829643f2f7aa968

2017-08-15 13:40:11 -07:00

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