ANDROID: Check arch before running kunit

KUnit configurations include KernelTestModuleController that skips the
tests for mismatching architectures.

Test: ./run_test_only.sh --gcov -s 0.0.0.0:6520 -t \
      'kunit soc-utils-test#soc-utils'
Bug: 358439710
Change-Id: I5b1daee4329c9b9cf1d534d0ea88b41d76cfa7bc
Signed-off-by: Hsin-Yi Chen <[email protected]>
(cherry picked from commit 6c455c4)

Author: hsinyichen-google

tools/testing/kunit/android/tradefed_configs/config_arm64.xml

@@ -1,4 +1,8 @@
 <configuration description="kunit">
+    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.KernelTestModuleController">
+        <option name="arch" value="arm64" />
+    </object>
+
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">

tools/testing/kunit/android/tradefed_configs/config_x86_64.xml

@@ -1,4 +1,8 @@
 <configuration description="kunit">
+    <object type="module_controller" class="com.android.tradefed.testtype.suite.module.KernelTestModuleController">
+        <option name="arch" value="x86_64" />
+    </object>
+
     <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
 
     <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">