Add supported maximum number of ranging session as capability. am: 5f0d4c66

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2331962



Change-Id: I03d52f5962a0d42edb6e4c08294c81cfbf323e0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>