Add check for billing deps

android/java/org/chromium/chrome/browser/app/BraveActivity.java

@@ -204,13 +204,17 @@ public abstract class BraveActivity<C extends ChromeActivityComponent> extends C
     public void onResumeWithNative() {
         super.onResumeWithNative();
         BraveActivityJni.get().restartStatsUpdater();
-        InAppPurchaseWrapper.getInstance().startBillingServiceConnection(BraveActivity.this);
-        BraveVpnNativeWorker.getInstance().addObserver(this);
+        if (BraveVpnUtils.isBraveVpnFeatureEnable()) {
+            InAppPurchaseWrapper.getInstance().startBillingServiceConnection(BraveActivity.this);
+            BraveVpnNativeWorker.getInstance().addObserver(this);
+        }
     }
 
     @Override
     public void onPauseWithNative() {
-        BraveVpnNativeWorker.getInstance().removeObserver(this);
+        if (BraveVpnUtils.isBraveVpnFeatureEnable()) {
+            BraveVpnNativeWorker.getInstance().removeObserver(this);
+        }
         super.onPauseWithNative();
     }
 

android/java/org/chromium/chrome/browser/settings/BraveVpnPreferences.java

@@ -74,7 +74,9 @@ public class BraveVpnPreferences extends BravePreferenceFragment implements Brav
         getActivity().setTitle(R.string.brave_firewall_vpn);
         SettingsUtils.addPreferencesFromResource(this, R.xml.brave_vpn_preferences);
 
-        InAppPurchaseWrapper.getInstance().startBillingServiceConnection(getActivity());
+        if (BraveVpnUtils.isBraveVpnFeatureEnable()) {
+            InAppPurchaseWrapper.getInstance().startBillingServiceConnection(getActivity());
+        }
 
         mVpnSwitch = (ChromeSwitchPreference) findPreference(PREF_VPN_SWITCH);
         mVpnSwitch.setChecked(BraveVpnProfileUtils.getInstance().isVPNConnected(getActivity()));

android/java/org/chromium/chrome/browser/vpn/BraveVpnParentActivity.java

@@ -41,8 +41,10 @@ public abstract class BraveVpnParentActivity
     @Override
     public void finishNativeInitialization() {
         super.finishNativeInitialization();
-        InAppPurchaseWrapper.getInstance().startBillingServiceConnection(
-                BraveVpnParentActivity.this);
+        if (BraveVpnUtils.isBraveVpnFeatureEnable()) {
+            InAppPurchaseWrapper.getInstance().startBillingServiceConnection(
+                    BraveVpnParentActivity.this);
+        }
     }
 
     protected void verifySubscription() {