Merge "Add CTS for BidirectionalStream's getters" am: af2195deb1 am: 5a2c40433d am: a9af5824f3

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

Change-Id: Ifd73416b94c20bc5b6cb333e40adb4cf899f54c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>