[automerger skipped] Remove isAttached check from lottie listener am: 403714d4 -s ours

am skip reason: Merged-In Ied1e743db40ecffc0ed07aa506eaf9be82c57a0a with SHA-1 9d0d1c55 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27247912



Change-Id: Ie8f9b368d22c29c43b5ee2807d774b96440defc2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>