build: upgrade to ZXING 4.1.0

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

build.gradle

@@ -19,7 +19,7 @@ buildscript {
         lifecycleRuntimeKtxVersion = '2.3.0'
         materialComponentsVersion = '1.3.0'
         preferenceVersion = '1.1.1'
-        zxingEmbeddedVersion = '3.6.0'
+        zxingEmbeddedVersion = '4.1.0'
 
         groupName = 'com.wireguard.android'
     }

ui/src/main/AndroidManifest.xml

@@ -19,7 +19,7 @@
         android:name="android.software.leanback"
         android:required="false" />
     <uses-feature
-        android:name="android.hardware.camera"
+        android:name="android.hardware.camera.any"
         android:required="false" />
 
     <permission
@@ -29,6 +29,9 @@
         android:label="@string/permission_label"
         android:protectionLevel="dangerous" />
 
+    <!-- This is safe to override, the APIs we use work perfectly fine on Android 6 -->
+    <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
+
     <application
         android:name=".Application"
         android:allowBackup="false"