Remove charge counter assertions in tests
Remove charge counter assertions in tests

Unfortunately on some devices the charge counter can reach
negative values. This makes it impossible to have tests on
the value read in the trace.

Bug: 121001631
Change-Id: Ia9293ac04a37368b7dc413fa6de58c681ff1dfa0
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto