Merge "Merge "Adding documentation to getElapsedRealtimeUncertaintyNanos...
Merge "Merge "Adding documentation to getElapsedRealtimeUncertaintyNanos following api council guidance." into qt-dev am: 433bb845" into qt-dev-plus-aosp
am: 8633941a
Change-Id: Ie958927bc8bc32e5dd23ca0f6fdac11845af93b4