Add compaction memory diagnostics

This CL adds multiple memory diagnostics to app compation system
which allows to evaluate them per source and per app for evaluating
optimizations, bugfixes, throttles, etc.

In addition, an option is added to perform the system processes compaction
via am compact system command for testing.

Bug: 233415647
Test: dumpsys activity
Test: am compact system
Test: am compact full <app> <uid>
Test: atest CachedAppOptimizerTest

Change-Id: Ic5ccab33580473a3eb6ea056a818d94e53521623