kxtj3: Add java/python/javascript examples

* Java/Python/Javascript examples
* change usleep to upm_delay_us in C++ example
* Add Java example to CMakeLists

Signed-off-by: Assam Boudjelthia <assam.boudjelthia@fi.rohmeurope.com>
Signed-off-by: Noel Eck <noel.eck@intel.com>

src/kxtj3/kxtj3.json

@@ -25,6 +25,15 @@
                 ],
                 "C": [
                     "kxtj3.c"
+                ],
+                "Java": [
+                    "KXTJ3_Example.java"
+                ],
+                "Python": [
+                    "kxtj3.py"
+                ],
+                "Node.js": [
+                    "kxtj3.js"
                 ]
             },
             "Specifications": {
@@ -60,4 +69,4 @@
             }
         }
     }
-}
+}