Fixed connection permission (dariuszseweryn#823)

Author: ardovic

sample-kotlin/src/main/kotlin/com/polidea/rxandroidble2/samplekotlin/example2_connection/ConnectionExampleActivity.kt

@@ -66,7 +66,7 @@ class ConnectionExampleActivity : AppCompatActivity() {
         if (bleDevice.isConnected) {
             triggerDisconnect()
         } else {
-            if (SampleApplication.rxBleClient.isScanRuntimePermissionGranted) {
+            if (SampleApplication.rxBleClient.isConnectRuntimePermissionGranted) {
                 connect()
             } else {
                 hasClickedConnect = true