[automerger skipped] Add the feature tags for the pager mode, larege message...

[automerger skipped] Add the feature tags for the pager mode, larege message mode, deffered messaging and large-pager mode. am: 6ca11dd4 am: f097bfbe am: e959641f -s ours

am skip reason: Merged-In Ie35577303aab0f67bc261686d8e5e5ee3c624707 with SHA-1 ddade4d4 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ims/+/2394892



Change-Id: I335c188e7c6babdeb32b54160cf90f41873931f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>