Merge "Create /dev/selinux folder if it was not created by first-stage-init"...

Merge "Create /dev/selinux folder if it was not created by first-stage-init" am: 344f7160 am: f3ce0486 am: 9cd97788 am: 5f4550b8

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2203897



Change-Id: I2ed6fbb82b3d2aa3d434fa69cfc4d4c20d47729e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>