don't submit v8 executor for adding breakpoints

README.md

@@ -73,11 +73,6 @@ Later v8 executor will be passed to Chrome DevTools and used for performing debu
 
 If Guava is already used in project - MoreExecutors and [ListenableFuture](https://github.com/google/guava/wiki/ListenableFutureExplained) could be handy.
 
-### Known issues
-- It's not possible to set break-point while debugging in progress.
-
- Reason: Since V8 thread is suspended - setting new breakpoint is not possible as it must run on the same V8 thread.
-
 ### License
 
 ```

build.gradle

@@ -10,7 +10,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:3.6.3"
+        classpath "com.android.tools.build:gradle:4.0.0"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "com.github.dcendents:android-maven-gradle-plugin:2.1"
 

j2v8-debugger-sample/build.gradle

@@ -27,7 +27,6 @@ android {
     dataBinding{
         enabled = true
     }
-
 }
 
 ext {

j2v8-debugger/src/main/java/com/alexii/j2v8debugger/Debugger.kt

@@ -122,30 +122,25 @@ internal class Debugger(
     @Suppress("UNUSED_PARAMETER")
     @ChromeDevtoolsMethod
     fun setBreakpointByUrl(peer: JsonRpcPeer, params: JSONObject): SetBreakpointByUrlResponse? {
-        return runStethoAndV8Safely {
-            val responseFuture = v8Executor?.submit(Callable {
-                val request = dtoMapper.convertValue(params, SetBreakpointByUrlRequest::class.java)
-                request.url = request.scriptId
+        val request = dtoMapper.convertValue(params, SetBreakpointByUrlRequest::class.java)
+        request.url = request.scriptId
+        runStethoAndV8Safely {
+            v8Executor?.execute {
                 v8Messenger?.sendMessage(
                     Protocol.Debugger.SetBreakpointByUrl,
                     dtoMapper.convertValue(request, JSONObject::class.java)
                 )
-                val response = SetBreakpointByUrlResponse(request)
-                // Save breakpoint to remove on disconnect
-                breakpointsAdded.add(response.breakpointId)
-
-                response
-            })
-
-            responseFuture?.get()
+            }
         }
+        val response = SetBreakpointByUrlResponse(request)
+        // Save breakpoint to remove on disconnect
+        breakpointsAdded.add(response.breakpointId)
+        return response
     }
 
     @Suppress("unused", "UNUSED_PARAMETER")
     @ChromeDevtoolsMethod
     fun removeBreakpoint(peer: JsonRpcPeer, params: JSONObject) {
-        //Chrome DevTools are removing breakpoint from UI regardless of the response (unlike setting breakpoint):
-        // -> do best effort to remove breakpoint when executor is free
         runStethoAndV8Safely {
             v8Executor?.execute {
                 v8Messenger?.sendMessage(