Replace git_repo with http_archive
Replace git_repo with http_archive

Note: http_archive has better performance than git_repo because
of cache. This is last git_repo in our codebase and replace it
in this CL.

Change-Id: I7249c0c19fcdcb7212dcb1d295aef1313ef6915e

GoogleCloudPlatform/esp-v2,GoogleCloudPlatform/esp-v2,GoogleCloudPlatform/esp-v2,GoogleCloudPlatform/esp-v2,GoogleCloudPlatform/esp-v2