Fix license_type. Contains GPL am: a1a74f105f am: 1888f61d2e am: 4f6d55bcf1

Original change: https://android-review.googlesource.com/c/platform/external/python/httplib2/+/1556396

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Icb142956a773a5a5cf6b9a3e331cb9abd8f6134a