Merge "fastboot: Introduce connect / disconnect for network-connected devices" am: 77f4cb4d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2429113



Change-Id: I9f56b17a591cf859212501c6d8e21a8895a7ad7b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>