Store the collected binder latency samples in buckets to form a

histogram. Add the ability to generate histograms with varying bucket
counts and sizes.

This is a direct cherrypick with no changes

Bug: 179999191
Test: unit tests

Change-Id: I58d3cbdd9ae43c8da121ec41d994b077e29bb371
Merged-In: I58d3cbdd9ae43c8da121ec41d994b077e29bb371
(cherry picked from commit dcd3dc69)