add basic support for kotlin source files

package.json

@@ -35,6 +35,9 @@
         "breakpoints": [
             {
                 "language": "java"
+            },
+            {
+                "language": "kotlin"
             }
         ],
         "debuggers": [

src/debugMain.js

@@ -479,7 +479,7 @@ class AndroidDebugSession extends DebugSession {
                         package: pkgname,
                         package_path: fpn,
                         srcroot: path.join(app_root,src_folder),
-                        public_classes: subfiles.filter(sf => /^[a-zA-Z_$][a-zA-Z0-9_$]*\.java$/.test(sf)).map(sf => sf.match(/^(.*)\.java$/)[1])
+                        public_classes: subfiles.filter(sf => /^[a-zA-Z_$][a-zA-Z0-9_$]*\.(?:java|kt)$/.test(sf)).map(sf => sf.match(/^(.*)\.(?:java|kt)$/)[1])
                     }
                 }
                 // add the subfiles to the list to process
@@ -594,7 +594,7 @@ class AndroidDebugSession extends DebugSession {
             // create a fake pkginfo to use to construct the bp
             pkginfo = { srcroot:this._android_sources_path }
         }
-        if (!pkginfo || !/\.java$/i.test(srcfpn)) {
+        if (!pkginfo || !/\.(java|kt)$/i.test(srcfpn)) {
             // source file is not a java file or is outside of the known source packages
             // just send back a list of unverified breakpoints
             response.body = {

src/debugger.js

@@ -525,7 +525,7 @@ Debugger.prototype = {
     },
 
     _splitsrcfpn: function (srcfpn) {
-        var m = srcfpn.match(/^\/([^/]+(?:\/[^/]+)*)?\/([^./]+)\.java$/);
+        var m = srcfpn.match(/^\/([^/]+(?:\/[^/]+)*)?\/([^./]+)\.(java|kt)$/);
         return {
             pkg: m[1].replace(/\/+/g, '.'),
             type: m[2],