WifiMetrics: Add metrics for HAL/wificond crashes

New metrics added:
1. Number of times HAL crashed during operation.
2. Number of times wificond crashed during operation.
3. Number of times wifi start failed because of a native issue.
Basically the number of times calls to WifiNative.setupForClientMode() &
WifiNative.setupForSoftApMode() fails.

Bug: 36586897
Test: Compiles
Change-Id: Ie9683fd8bfea6b0c64605e407559ff561898c11b