[roll third_party/pigweed] pw_multisink: Rename argument for better self documentation

Renames the drop_count argument to drain_drop_count to better
self document and differentiate from the ingress_drop_count
argument.

Also adds missing *_out suffixes to the ingress drop count
output arguments.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/95369

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 65193ef8c79f5ca..9e7dc9ccff18724
Roller-URL: https://ci.chromium.org/b/8813628493245016001
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8813628493245016001
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Icd2b4b7e7faef9db8720ab8282aebee317cd5055
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/95422
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
1 file changed