[automerger skipped] Merge "Refactor ddm ChunkHandler utility methods from libcore to framework" into sc-dev am: ad227b1c -s ours am: aab40443 -s ours

am skip reason: Merged-In I1d43f12aaf70c7c079577d3f3248248ed39f9865 with SHA-1 3938aac8 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14724571

Change-Id: I383b76beb4cea5e1a59f9cda5df1ac70541af22a