Merge "Replace security_context_t type" am: 0568338670 am: 760547e263 am: 4622dfddb5 am: b753c5a9de am: 00e163d9dc

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1827242

Change-Id: I5e3d62b0a300c7065399653bc0b995070fa6315e