Apply @hide / @SystemApi to android.telecom.*

Move the android.telecom.* namespace back to @hide, and also mark it
with @SystemApi so that system-privileged apps can use them.

Bug: 18302450
Change-Id: I33ae1b9b0dfdb1c5eff51ca3c829196bcfc9411c
diff --git a/telecomm/java/android/telecom/StatusHints.java b/telecomm/java/android/telecom/StatusHints.java
index a32eae7..dd3a639 100644
--- a/telecomm/java/android/telecom/StatusHints.java
+++ b/telecomm/java/android/telecom/StatusHints.java
@@ -16,6 +16,7 @@
 
 package android.telecom;
 
+import android.annotation.SystemApi;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -29,7 +30,9 @@
 
 /**
  * Contains status label and icon displayed in the in-call UI.
+ * @hide
  */
+@SystemApi
 public final class StatusHints implements Parcelable {
 
     private final ComponentName mPackageName;