fix example project android 9

Author: testshallpass

Example/android/app/src/debug/AndroidManifest.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools">
+
+  <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
+
+  <application tools:targetApi="28"
+      tools:ignore="GoogleAppIndexingWarning" 
+      android:networkSecurityConfig="@xml/react_native_config" />
+</manifest>

Example/android/app/src/debug/res/xml/react_native_config.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+  <domain-config cleartextTrafficPermitted="true">
+    <domain includeSubdomains="false">localhost</domain>
+    <domain includeSubdomains="false">10.0.2.2</domain>
+    <domain includeSubdomains="false">10.0.3.2</domain>
+  </domain-config>
+</network-security-config>