RMX1971: Enable GL comp backpressure

* Also this reverts commit 22f09a6.

Enable backpressure for client composition to avoid jank due to
HWC queue stuffing.

Test: 1. Open Camera
      2. Swipe horizontally to go back to previous app.

Bug: 138083790
Change-Id: I3d26aa470c1660b23bd97133f39858f92638aca8
Signed-off-by: adi8900 <adrianszymanski242@gmail.com>
Signed-off-by: kaderbava <ksbava7325@gmail.com>