tree b2d33fce236f196667dae863573ee1f9f670443c
parent 70023b4827ad1dd8c9fa7330f716488ad4158985
author renjietang <renjietang@google.com> 1570561056 -0700
committer Copybara-Service <copybara-worker@google.com> 1570561088 -0700

Add ToString to packet header enums.

gfe-relnote: n/a, debug only.
PiperOrigin-RevId: 273573624
Change-Id: I14252ee188d0a45149cd896fde458956e7bcc56d