Mark more strings translatable="false"

Missed some strings.

BUG:123170991
Test: Ran make
Change-Id: I9489e573c4547230e3466a1b1954501bb0c7d8fd
diff --git a/tests/obd2_app/res/values/arrays.xml b/tests/obd2_app/res/values/arrays.xml
index 2bd7ce3..3b3c4ac 100644
--- a/tests/obd2_app/res/values/arrays.xml
+++ b/tests/obd2_app/res/values/arrays.xml
@@ -14,12 +14,12 @@
      limitations under the License.
 -->
 <resources>
-  <string-array name="scan_delay_entries">
+  <string-array name="scan_delay_entries" translatable="false">
     <item>2 seconds</item>
     <item>5 seconds</item>
     <item>10 seconds</item>
   </string-array>
-  <string-array name="scan_delay_entryValues">
+  <string-array name="scan_delay_entryValues" translatable="false">
     <item>2</item>
     <item>5</item>
     <item>10</item>