List btopp.intent.action.ACCEPT broadcast as protected

Bug: 31604112
Test: manual
Change-Id: Ic5ee837bb895fc5b39b6d1abdd91d8f1d33f62ae
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 6c51824..b0b57d9 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -198,6 +198,7 @@
     <protected-broadcast android:name="android.btopp.intent.action.OPEN" />
     <protected-broadcast android:name="android.btopp.intent.action.OPEN_INBOUND" />
     <protected-broadcast android:name="android.btopp.intent.action.TRANSFER_COMPLETE" />
+    <protected-broadcast android:name="android.btopp.intent.action.ACCEPT" />
     <protected-broadcast android:name="com.android.bluetooth.gatt.REFRESH_BATCHED_SCAN" />
     <protected-broadcast android:name="com.android.bluetooth.pbap.authchall" />
     <protected-broadcast android:name="com.android.bluetooth.pbap.userconfirmtimeout" />