Merge "Zero-length packet send bug resolution for fastboot." am: 46134b9c am: 3707bdab

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2364908



Change-Id: I3521e497807b90fe69e40676a34cc553f69d49ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>