[roll third_party/pigweed] pw_transfer: Introduce Manager.java for API compatibility

The transfer client was renamed from Manager to TransferClient. This
class reintroduces the Manager class to maintain API compatibility
through the upcoming transfer client refactor.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/95182

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 58a7e1758fefa29..cf9395cdd8f40cf
Roller-URL: https://ci.chromium.org/b/8813344534171456497
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8813344534171456497
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I58541fef26d5b2de84026a09437030a7eb19f149
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/95656
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
1 file changed