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[automerger skipped] audio: Use ChildInterface in StreamCommonImpl am: 291712fd -s ours am: e73f66d8 -s ours

am skip reason: Merged-In I1350e7b3720c6244cd8527e1d021ee9577399291 with SHA-1 2eabaf99 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24287964



Change-Id: I333f0ca54de95d0fcfb250d913eaa3800cf5db63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>