Don't reset battery status before disabling battery saver mode.

Resetting battery status makes the "disabling battery saver mode"
operation that follows it a no-op if the device is plugged-in to power.
In this case, sticky battery saver status won't get reset and might
affect the tests following it.

Also, change back turnBatteryOff -> "cmd battery reset" since issue "72502904"
is fixed now.

Fixes: 77236363
Test: cts-tradefed run singleCommand cts-dev -m CtsHostsideNetworkTests -t \
      com.android.cts.net.HostsideRestrictBackgroundNetworkTests

Change-Id: I93e11c714200e8de6864a3bd7627eb66842a39d1
diff --git a/tests/cts/hostside/AndroidTest.xml b/tests/cts/hostside/AndroidTest.xml
index c96fea4..0656cae 100644
--- a/tests/cts/hostside/AndroidTest.xml
+++ b/tests/cts/hostside/AndroidTest.xml
@@ -17,6 +17,12 @@
     <option name="test-suite-tag" value="cts" />
     <option name="config-descriptor:metadata" key="component" value="networking" />
     <target_preparer class="com.android.cts.net.NetPolicyTestsPreparer" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
+        <option name="teardown-command" value="cmd power set-mode 0" />
+        <option name="teardown-command" value="cmd battery reset" />
+    </target_preparer>
+
     <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >
         <option name="jar" value="CtsHostsideNetworkTests.jar" />
         <option name="runtime-hint" value="3m56s" />