[SB Refactor] Implement a table log buffer.

Bug: 259454430
Bug: 238425913
Test: Dumped WifiTableLog-changes and verified it contained a list of
change events
Test: Dumped WifiTableLog-table and verified got table of value updates
Test: TableLogBufferTest
Test: statusbar.pipeline tests

Change-Id: Idb94a41916949d3493319af9e940bae0ccd77f5a
15 files changed