Merge "Explicitly keep default constructor in rules without members" into main am: 457d02d4

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/telephony/+/3438780



Change-Id: I229f39e5e42d9016ac0c868349a260b8567475cc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>