[automerger skipped] Merge "Represent hidden classes' subclass definitions in partial signature files" into udc-mainline-prod am: d8c8e3ac69 -s ours

am skip reason: Merged-In I0f9e0720b19ed8fec6d7fa77be97d565d1dd1f16 with SHA-1 02816e3f36 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24692468

Change-Id: Iccc20f4899220e05364b344f38c35dac0f42af07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>