Add support for slice_by_state for NfcStateChanged

Add support for NfcStateChanged because we need more information on user's current nfc state when transactions happen for analysis and statistics

Metrics Design Doc: https://eldar.corp.google.com/assessments/581274887/drafts/235509667?jsmode=o&mods=eldarui_search

Bug: 231894513
Bug: 238827863
Test: manual with statsd_localdrive
Change-Id: I6fa187baf0bf9dfbb871ae628c58b5dc40dbee12
Merged-In: I6fa187baf0bf9dfbb871ae628c58b5dc40dbee12
(cherry picked from commit 153b4eeb467c6beb41b278a755ef0f4b298deaf4)