startop: Move compiled trace file installation after activity checking (bugfix).

Test: pytest run_app_with_prefetch_test.py
Test: python run_app_with_prefetch.py -p com.android.settings  -i input -d -r fadvise

Bug: 135286022
Change-Id: I06040bb10bfd8edf3f520576c4aed5a28587b142