Fix delay used when polling for rendered buffers am: d42a8ea9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/24079940



Change-Id: I55648389eeaf36479c7f53268785fd2e58916cca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>