chore: updating owl bot rule to exclude file from style check (#1190)

* disabling owl bot

Author: Timur Sadykov

.github/.OwlBot.yaml

@@ -36,6 +36,7 @@
         ".kokoro/nightly/integration.cfg",
         ".kokoro/presubmit/integration.cfg",
         ".kokoro/presubmit/graalvm-native.cfg",
-        ".kokoro/presubmit/graalvm-native-17.cfg"
+        ".kokoro/presubmit/graalvm-native-17.cfg",
+        "oauth2_http/java/com/google/auth/oauth2/ExternalAccountCredentials.java"
     ]
 )

owlbot.py

@@ -214,6 +214,7 @@
           <version>2.13</version>
           <configuration>
             <verbose>true</verbose>
+            <skipSortingImports>true</skipSortingImports>
           </configuration>
         </plugin>
         <plugin>
@@ -268,6 +269,7 @@
               <testSourceDirectories>
                 <testSourceDirectory>src/test</testSourceDirectory>
               </testSourceDirectories>
+              <excludes>com.google.auth.oauth2.ExternalAccountCredentials</excludes>
             </configuration>
           </execution>
         </executions>