Merge "SystemClock: elapsedRealtimeNano() should use clock_gettime() on Linux" am: e3ff256228
am: 6d28bd81f5

* commit '6d28bd81f55236d1a82f00f8ac568ad61a03128d':
  SystemClock: elapsedRealtimeNano() should use clock_gettime() on Linux

Change-Id: Id5ecad63fb6cd79cc7db641d992e9525bc2b8779