Increase Gradle version to 7.1.3

profile_uart/build.gradle

@@ -55,3 +55,7 @@ dependencies {
         exclude group: 'xpp3', module: 'xpp3'
     }
 }
+
+android {
+    namespace 'no.nordicsemi.android.uart'
+}

profile_uart/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="no.nordicsemi.android.uart">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application>
         <service android:name=".repository.UARTService" />