Modifying description for RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS.

Allowing for both GSM and UMTS format CBS message pdus.

Change-Id: I0f920d2c1affe930a0da4c0ba5fce6d03f488146
diff --git a/include/telephony/ril.h b/include/telephony/ril.h
index 4bd9442..8015074 100644
--- a/include/telephony/ril.h
+++ b/include/telephony/ril.h
@@ -3273,9 +3273,13 @@
  *
  * Called when new Broadcast SMS is received
  *
- * "data" is const char * of 88 bytes which indicates each page
- * of a CBS Message sent to the MS by the BTS as coded in 3GPP
- * 23.041 Section 9.4.1.1
+ * "data" can be one of the following:
+ * If received from GSM network, "data" is const char of 88 bytes
+ * which indicates each page of a CBS Message sent to the MS by the
+ * BTS as coded in 3GPP 23.041 Section 9.4.1.2.
+ * If received from UMTS network, "data" is const char of 90 up to 1252
+ * bytes which contain between 1 and 15 CBS Message pages sent as one
+ * packet to the MS by the BTS as coded in 3GPP 23.041 Section 9.4.2.2.
  *
  */
 #define RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS 1021