[automerger skipped] Add fold state to voice call session am: 65debc1e am: 6dbaccca -s ours

am skip reason: Merged-In I5d7236a9acbb89a759f0cb8727cd6626e7a91f83 with SHA-1 776a65c1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/23214365



Change-Id: I8478deca402e926cc4e10cf811109ff5c149d298
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>