screenrecord: Fix mediacodec selinux and seccomp policy denials am: 6d532aebe8

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1551454

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie4bdea4bab22ab1e792c6048c89d4c769849626b