Updates to build in React Native/Expo project

Update min/target/compile Sdk versions to 21,31,31 respectively
Move namespace definition from manifest to build.gradle file
Include manufacturer and product names in device list
Add MUTABLE flag to pending intent (required by newer SDK)

android/build.gradle

@@ -13,17 +13,18 @@ buildscript {
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion "28.0.3"
+    compileSdkVersion 31
+
+    namespace "com.melihyarikkaya.rnserialport"
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 28
+        minSdkVersion 21
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
     }

android/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="com.melihyarikkaya.rnserialport">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-feature android:name="android.hardware.usb.host"
         android:required="true"/>
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />

android/src/main/java/com/melihyarikkaya/rnserialport/RNSerialportModule.java

@@ -372,6 +372,8 @@ public void getDeviceList(Promise promise) {
       map.putString("name", d.getDeviceName());
       map.putInt("vendorId", d.getVendorId());
       map.putInt("productId", d.getProductId());
+      map.putString("manufacturerName", d.getManufacturerName());
+      map.putString("productName", d.getProductName());
 
       deviceList.pushMap(map);
     }
@@ -737,7 +739,7 @@ public void onReceivedData(byte[] bytes) {
   private void requestUserPermission(UsbDevice device) {
     if(device == null)
       return;
-    PendingIntent mPendingIntent = PendingIntent.getBroadcast(mReactContext, 0 , new Intent(ACTION_USB_PERMISSION), 0);
+    PendingIntent mPendingIntent = PendingIntent.getBroadcast(mReactContext, 0 , new Intent(ACTION_USB_PERMISSION), PendingIntent.FLAG_MUTABLE);
     usbManager.requestPermission(device, mPendingIntent);
   }