Unhide isSmsCapable.

Bug: 14113863
Change-Id: I57af2cf2482747e77c9bdf53559345b6b31f01a5

api/current.txt

@@ -28419,6 +28419,7 @@ package android.telephony {
     method public int hasCarrierPrivileges();
     method public boolean hasIccCard();
     method public boolean isNetworkRoaming();
+    method public boolean isSmsCapable();
     method public void listen(android.telephony.PhoneStateListener, int);
     field public static final java.lang.String ACTION_PHONE_STATE_CHANGED = "android.intent.action.PHONE_STATE";
     field public static final java.lang.String ACTION_RESPOND_VIA_MESSAGE = "android.intent.action.RESPOND_VIA_MESSAGE";

telephony/java/android/telephony/TelephonyManager.java

@@ -2275,8 +2275,6 @@ public class TelephonyManager {
      * <p>
      * Note: Voicemail waiting sms, cell broadcasting sms, and MMS are
      *       disabled when device doesn't support sms.
-     *
-     * @hide pending API review
      */
     public boolean isSmsCapable() {
         if (mContext == null) return true;