Updated configs

server/configs/application-local-dev-android.yml

@@ -1 +1,4 @@
-extender.gradle.enabled: true
+extender:
+    instance-type: BUILDER_ONLY
+    gradle:
+        enabled: true

server/configs/application-local-dev-app.yml

@@ -1,4 +1,5 @@
 extender:
+    instance-type: FRONTEND_ONLY
     remote-builder:
         enabled: true
         platforms:

server/configs/application-local-dev.yml

@@ -1,4 +1,5 @@
 extender:
+    instance-type: BUILDER_ONLY
     # sdk.location: /usr/local/extender/sdk
     cache:
         enabled: true

server/configs/application-standalone-dev.yml

@@ -2,6 +2,7 @@ server:
     port: 9010
 
 extender:
+    instance-type: MIXED
     sdk:
         location: /usr/local/extender/sdk
         cache-clear-on-exit: false

server/src/main/java/com/defold/extender/ExtenderController.java

@@ -212,6 +212,7 @@ public void buildEngineAsync(HttpServletRequest _request,
             } else {
                 String[] buildEnvDescription = null;
                 try {
+                    // sdk version was removed (dev or beta)
                     buildEnvDescription = ExtenderUtil.getSdksForPlatform(platform, defoldSdkService.getPlatformSdkMappings(sdkVersion));
                 } catch(ExtenderException exc) {
                     if (instanceType.equals(InstanceType.FRONTEND_ONLY)) {
@@ -226,6 +227,7 @@ public void buildEngineAsync(HttpServletRequest _request,
                 } else if (instanceType.equals(InstanceType.MIXED)) {
                     asyncBuilder.asyncBuildEngine(metricsWriter, platform, sdkVersion, jobDirectory, uploadDirectory, buildDirectory);
                 } else {
+                    // no remote buidler was found and current instance can't build
                     throw new NotSupportedException("Engine version unsupported. Please, update engine to the newer version.");
                 }
             }