Import extension SDK JAR files am: 0a17ff722a

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/sdk/+/18816336

Change-Id: Ibccfc7befa13de2754e427ee3c162f8a3820b713
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>