audio: Remove InputStreamTest#getCapturePosition test am: f38d908d43

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2457548

Change-Id: I5d47aa72aac379f23838ca54c0db04f11093ee6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>