Collect and log isCooldownEnabled flow

Fixes: 364914732
Bug: 356768397
Test: adb shell cmd statusbar echo -b NotifInterruptLog:verbose
      adb reboot
      adb logcat | grep VisualInterruptionDecisionProvider
Flag: com.android.systemui.notification_avalanche_suppression
Change-Id: I8e72a41ceb064be9e7ea826049a3eda846239a26