Increase fallbacks counter when comparison result is different

In current code, the fallbacks counter does not increase
when comparison result is different. This will not impact
how we print log.wtf but will impact the dry run process
for debugging in next every later boots.

Ignore-AOSP-First: Parent CLs are not in aosp yet
Test: 1. NetworkStatsServiceTest
      2. manual test with script
Bug: 233752318
Change-Id: Ib152cec2ee0f21d59ccfe4669b31f26b3db71a97
1 file changed