Filter empty strings out of the list returned by GetSupportedABIs.
Filter empty strings out of the list returned by GetSupportedABIs.

Bug: chromium:1228437
Change-Id: Ie477659074b15891056c280870c8c62b318dbbf7
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/3025236
Reviewed-by: Ben Pastene <e214258550f76fa23ac7c1d953424f3f468f5c6b@chromium.org>
Reviewed-by: Haiyang Pan <a4f2e84c8a17b76158e6fd7337357be2539c5573@google.com>
Commit-Queue: John Budorick <17d38a2d68c6a07a3ab0ce4a2873c5acefbd3dbb@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult