Add polling delay stage two for longer delay time

Stage one: pause NFC polling for 2 seconds every time for the first 5 detections.
Stage two: pause NFC polling for 30 seconds every time after 5 unknown tag detections.
Reset detection count at screen on or tag dispatch success.

Bug: 235821025
Test: manual
Merged-In: I53ec56a7e01432f43ffd8b728c4c10a631713acc
Change-Id: I53ec56a7e01432f43ffd8b728c4c10a631713acc