gbmcweb gbmc-release-26.31.x: Track release branch HEAD

Retarget the gbmcweb recipe from the master branch to the
gbmc-release-26.31.x release branch and bump SRCREV to its current
HEAD.

GBMCWEB_SRC_URI branch: master -> gbmc-release-26.31.x
GBMCWEB_SRCREV: 83afa05e7a -> 0ddfcd7c2e

gBMC Team (1):
      Fix async races in gbmcweb's http_client

Fusion-Link:
platform15: https://fusion2.corp.google.com/9a521b4c-d0b9-3c3c-a82c-c21c321842e1
platform18: https://fusion2.corp.google.com/17cfe836-44a0-37cc-9bea-0caa2ecf7dab
platform17: https://fusion2.corp.google.com/467bd833-e7b0-34a1-9ddb-aa4aad42233e
platform11+ext: https://fusion2.corp.google.com/78c35bd6-936c-3dd8-ab20-da29d62ec4a1
platform11: https://fusion2.corp.google.com/039f3c79-df56-32bf-b2ac-08e8d5f1ab93
Tested: gerrit presubmit
Platforms-Affected:platform22,platform24,platform31
Google-Bug-Id:545239300
Change-Id: Ib2a760074db6f053c5d3d461adab4422ec99a222
Signed-off-by: Yuli Fiterman <fiterman@google.com>