Add two more fields for AppSearchInitializeStatsReported

Also add AppSearchRemoveStatsReported

Design Doc: go/appsearch-metrics
Eldar: eldar/148520611
bug: b/173532925
Test: It builds

Change-Id: Ia3703f139144184c2c3c4582cff17d1aa0b8e76c
1 file changed
tree: 8efc1c4b32380169c7c9e8e54c0264f62415c7a1
  1. stats/
  2. OWNERS