[BWA-9] Set task affinity to mitigate task hijacking (#94)

app/src/main/AndroidManifest.xml

@@ -20,6 +20,7 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
+        android:taskAffinity=""
         android:theme="@style/LaunchTheme"
         tools:targetApi="31">
         <activity