Revert "Move ETM decode back to idle processing stage"

This reverts commit 056299c96e99b0d0e3e6f1a23a0f87684eea7e57.

This reduces number of traces by too much. Reverting this until we have implemented compressed traces in simpleperf.

Change-Id: I1ad033c4e7394e337435cde886f460fd29f766f3
1 file changed