perf_hooks: multiple fixes for Histogram
- The createHistogram(options) options weren't actually implemented
- Add a new count property that tracks the number of samples
- Adds BigInt options for relevant properties
- Cleans up and expands tests
- Eliminates unnecessary ELDHistogram native class
- Improve/Simplify histogram transfer impl
Signed-off-by: James M Snell jasnell@gmail.com