Merge "Add CTS for BidirectionalStream's getters" am: af2195deb1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2638302

Change-Id: I620ee02c539477df66a39e53b5b579d21ae394f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>