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These machines were moved to the chromium.android waterfall a while
back but their JSON entries were forgotten. Remove the definitions of
these bots and the test suite exceptions referring to them. (The
presubmit checks caught all of the stray exceptions.)

Add cast_junit_test_lists to Cast Android (dbg) on chromium.android,
which is presuambly where it should have been placed during this
migration.

BUG=662541

Change-Id: Iaa0453b17e06e31096ecf4e770557ad6aa7d7fd6
Reviewed-on: https://chromium-review.googlesource.com/809633Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521847}