Added BinderCallsStatsService

It tracks binder calls into the system server and reports
statistics about CPU time spent per call on multiple dimensions,
e.g. uid or call description.

Usage: dumpsys binder_calls_stats
Overhead: ~0.5% per binder call (if enabled)

Test: manual
Bug: 75318418
Change-Id: I13b854f67f8fd1c9f985b8e45f74dcba2e73b9cb