Add a service for reporting runtime debug info

Add a service for reporting runtime debug info via dumpsys.

With expected OEM customization / module versions in play
it makes sense to have runtime and associated "core library"
information in bug reports. The dumpsys information can also
be used from from host-side tests.

Bug: 119026403
Bug: 118242715
Test: adb shell dumpsys runtimeinfo
Change-Id: I62637a1c8bfd65d5de9b3e47b8700ead4bc314f2