tree bf752e680468bde286efc859e97774a365777882
parent 40f11356eb096de0f459dc432219ebbae95e120f
author Yuexi Ma <yuexima@google.com> 1516839319 -0800
committer Yuexi Ma <yuexima@google.com> 1516839319 -0800

config change after VtsPythonVirtualenvPreparer change

VtsPythonVirtualenvPreparer was both a target preparer and multi target preparer.
The new TF suite requires it to be only one of them.
This CL configs vts xmls to use VtsPythonVirtualenvPreparer as multi target preparer

Test: vts-selftest
Bug: 69307585
Change-Id: I3a4de4bbfefcfdf70ffd5aa9609da9e74b38e3c3
Merged-In: I3a4de4bbfefcfdf70ffd5aa9609da9e74b38e3c3