Mark vm-tf-test as not-strict-shardable

vm-tf-test has an expensive preparation step so when there
are no dynamic rescheduling we do not duplicate the setup.

Test: local cts run
Bug: 37211399
Change-Id: Iccfebd20341ed9d74fd6f054a9c9bedc34391b26
diff --git a/tools/vm-tests-tf/AndroidTest.xml b/tools/vm-tests-tf/AndroidTest.xml
index 7d53b00..72b3914 100644
--- a/tools/vm-tests-tf/AndroidTest.xml
+++ b/tools/vm-tests-tf/AndroidTest.xml
@@ -15,6 +15,7 @@
 -->
 <configuration description="Config for CTS VM test cases">
     <option name="config-descriptor:metadata" key="component" value="art" />
+    <option name="not-strict-shardable" value= "true" />
     <target_preparer class="android.core.vm.targetprep.VmTestPreparer" />
     <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >
         <option name="jar" value="android.core.vm-tests-tf.jar" />