[automerger skipped] Check for misaligned read and write pointers am: 3f308c6acf -s ours

am skip reason: Merged-In Iaf33d30b5601e838f8899e1dceb65c86a10566b0 with SHA-1 c7d5f09188 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/libfmq/+/14235531

Change-Id: I887f68d23e55e9bbe871dec7fa88f8628ef2f2ad