Use default Android settings for test builds

Author: a-maurice

scripts/gha/integration_testing/AppBuilderHelper.cs

@@ -127,15 +127,15 @@ static AppBuilderHelper() {
       }
     }
     // This will set the appropriate values in Unity Preferences -> External Tools.
-    SetUnityPrefWithEnvVar(ANDROID_SDK_KEY, ANDROID_SDK_ENVVAR);
-    SetUnityPrefWithEnvVar(ANDROID_NDK_KEY, ANDROID_NDK_ENVVAR);
-    SetUnityPrefWithEnvVar(ANDROID_JDK_KEY, ANDROID_JDK_ENVVAR);
+    //SetUnityPrefWithEnvVar(ANDROID_SDK_KEY, ANDROID_SDK_ENVVAR);
+    //SetUnityPrefWithEnvVar(ANDROID_NDK_KEY, ANDROID_NDK_ENVVAR);
+    //SetUnityPrefWithEnvVar(ANDROID_JDK_KEY, ANDROID_JDK_ENVVAR);
 #if UNITY_ANDROID 
 #if UNITY_2019_3_OR_NEWER
     // Unity 2019.3+ introduced new method of set values in Unity Preferences -> External Tools
-    AndroidExternalToolsSettings.sdkRootPath = System.Environment.GetEnvironmentVariable(ANDROID_SDK_ENVVAR);
-    AndroidExternalToolsSettings.ndkRootPath = System.Environment.GetEnvironmentVariable(ANDROID_NDK_ENVVAR);
-    AndroidExternalToolsSettings.jdkRootPath = System.Environment.GetEnvironmentVariable(ANDROID_JDK_ENVVAR);
+    AndroidExternalToolsSettings.sdkRootPath = null; //System.Environment.GetEnvironmentVariable(ANDROID_SDK_ENVVAR);
+    AndroidExternalToolsSettings.ndkRootPath = null; //System.Environment.GetEnvironmentVariable(ANDROID_NDK_ENVVAR);
+    AndroidExternalToolsSettings.jdkRootPath = null; //System.Environment.GetEnvironmentVariable(ANDROID_JDK_ENVVAR);
     AndroidExternalToolsSettings.gradlePath = null; // use default Gradle tool integrated in Unity
 #endif
 #endif