Add CLOCK_MONOTONIC_RAW, CLOCK_REALTIME_COARSE, and CLOCK_MONOTONIC_COARSE as supported by recent linux kernels. (cherry-pick of 60e5144ca312b210b54ac8e6966108da0c97ff80.) Bug: 8895727 Change-Id: If79a4d05d1301108f49a37588f9416c4be19277a