[automerger skipped] Merge "Moved panel expansion classes to shade package"...

[automerger skipped] Merge "Moved panel expansion classes to shade package" into tm-qpr-dev am: ed10f73b am: 9251e4c5 -s ours

am skip reason: Merged-In I7a112a7426ed357b036dd01a00e9caf63dd5897b with SHA-1 47fe113a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20008272



Change-Id: I675cccd0b0ccfdef2dcbf55f243c33f717173d2f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>