Merge "Create an encrypted directory for decompressing compressed APEX" am: 223902d81c am: 60662d06e3

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1551154

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8344fe311d6dbe1cf1a3c500ee6899c75d886557