Make sure the deadlines we set are interpreted in CLOCK_BOOTTIME
Make sure the deadlines we set are interpreted in CLOCK_BOOTTIME

By default pthread_cond_timedwait uses the monotonic time source.

Change-Id: I22acbe17ffc11fc936f362ec37e3f42499fe16d4
Signed-off-by: Patrick Porlan <6b7a5b9114e07d350ffba0c179039885a7e82794@intel.com>

01org/android-iio-sensors-hal,01org/android-iio-sensors-hal