Remove statement that uses deprecated OkHttp API

src/android/build.gradle

@@ -34,5 +34,5 @@ android {
 
 dependencies {
     compile 'com.facebook.react:react-native:+'
-    compile 'com.squareup.okhttp3:okhttp:3.4.1'
+    //{RNFetchBlob_PRE_0.28_DEPDENDENCY}
 }

src/android/src/main/java/com/RNFetchBlob/RNFetchBlobReq.java

@@ -451,7 +451,7 @@ public class RNFetchBlobReq extends BroadcastReceiver implements Runnable {
                 break;
         }
         removeTaskInfo();
-        resp.close();
+//        resp.close();
     }
 
     /**

src/scripts/prelink.js

@@ -35,15 +35,15 @@ if(VERSION >= 0.29) {
 
 }
 
-// if(VERSION <= 0.28) {
-  // console.log('You project version is '+ VERSION + 'which does not meet requirement of react-native-fetch-blob 7.0+, please upgrade your application template to react-native 0.27+, otherwise Android application will not working.')
-  // add OkHttp3 dependency fo 0.28- project
-  // var main = fs.readFileSync(PACKAGE_GRADLE);
-  // console.log('adding OkHttp3 dependency to pre 0.28 project .. ')
-  // main = String(main).replace('//{RNFetchBlob_PRE_0.28_DEPDENDENCY}', "compile 'com.squareup.okhttp3:okhttp:3.4.1'");
-  // fs.writeFileSync(PACKAGE_GRADLE, main);
-  // console.log('adding OkHttp3 dependency to pre 0.28 project .. ok')
-// }
+if(VERSION < 0.28) {
+  console.log('You project version is '+ VERSION + 'which does not meet requirement of react-native-fetch-blob 7.0+, please upgrade your application template to react-native 0.27+, otherwise Android application will not working.')
+  add OkHttp3 dependency fo 0.28- project
+  var main = fs.readFileSync(PACKAGE_GRADLE);
+  console.log('adding OkHttp3 dependency to pre 0.28 project .. ')
+  main = String(main).replace('//{RNFetchBlob_PRE_0.28_DEPDENDENCY}', "compile 'com.squareup.okhttp3:okhttp:3.4.1'");
+  fs.writeFileSync(PACKAGE_GRADLE, main);
+  console.log('adding OkHttp3 dependency to pre 0.28 project .. ok')
+}
 
 // set file access permission for Android < 6.0
 fs.readFile(MANIFEST_PATH, function(err, data) {