Merge "Adding const to task constructors" am: 83800601 am: 97df38b4 am: 4cd1f351

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2529764



Change-Id: Iee8d42f3a015124b05d1a57bf77118116e364bf7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>