Revert of Reland allow JUnit3/4 tests within the same apk to be run by test_runner (patchset #7 id:120001 of https://codereview.chromium.org/2656393002/ )

Reason for revert:
Did not update pickle file.

Original issue's description:
> Reland allow JUnit3/4 tests within the same apk to be run by test_runner
>
> This CL change instrumentation_test_instance and other part of the
> test_runner script to embed the information whether a test class is
> junit3 or junit4. The confirmation mechanism is to check whether the
> class's direct parent is java.lang.Object. In junit3, all tests are
> decesdends from TestCase, while in junit4, all tests are suppose to be
> atomic (extends from Object)
>
> BUG=640116
>
> Review-Url: https://codereview.chromium.org/2656393002
> Cr-Commit-Position: refs/heads/master@{#447567}
> Committed: https://chromium.googlesource.com/chromium/src/+/94b98dedec2825446444e5a9277d0934670beb00

TBR=jbudorick@chromium.org,mikecase@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=640116

Review-Url: https://codereview.chromium.org/2674443002
Cr-Commit-Position: refs/heads/master@{#447616}
7 files changed