Add @UnsupportedAppUsage annotations

For packages:
  android.companion
  android.filterfw
  android.hardware.camera2.utils
  android.inputmethodservice
  android.net.nsd
  android.os
  android.preference
  android.security.keymaster
  android.service.dreams
  android.telecom
  android.telephony.ims.compat.feature
  android.telephony
  android.util
  android.view.accessibility
  android.media.effect

This is an automatically generated CL. See go/UnsupportedAppUsage
for more details.

Exempted-From-Owner-Approval: Mechanical changes to the codebase
which have been approved by Android API council and announced on
android-eng@

Bug: 110868826
Test: m
Merged-In: I9c2f8347952f3cc65759472b0e1a2717b285e44e
Change-Id: I14793863cf815fa3383fec6c6bf5a9365c2e17eb

core/java/android/net/nsd/INsdManager.aidl

@@ -25,6 +25,7 @@ import android.os.Messenger;
  */
 interface INsdManager
 {
+    @UnsupportedAppUsage
     Messenger getMessenger();
     void setEnabled(boolean enable);
 }