Move instrumentation tests on linux_android_rel_ng src-side.
Move instrumentation tests on linux_android_rel_ng src-side.

See https://chromiumcodereview.appspot.com/1676693004/ for fyi example.

The CL to remove these build-side is https://codereview.chromium.org/1679703004.

BUG=525873

Review URL: https://codereview.chromium.org/1672263002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#374647}

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