Revert "Parallel Module Loading: Add performance mode"

Revert submission 3556468

Reason for revert: stability issue

Reverted changes: /q/submissionid:3556468

Bug: 406160196
(cherry picked from https://android-review.googlesource.com/q/commit:0f62f623fb06724ad8792eac99651f670b1fa7d3)
Merged-In: I5566ccde4003b674bad51d4f8f449090fb890f67
Change-Id: I5566ccde4003b674bad51d4f8f449090fb890f67