Merge "Adding const to task constructors" am: 83800601f6 am: 97df38b485

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

Change-Id: Iea47d5cd490a55db0ebebc10337a3179e385bdb0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>