IMS: Remove the space for preAlerting extra string

Change-Id: I40f63778178238fab8291cba5e6383cf27cae331
CRs-Fixed: 3327391
diff --git a/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java b/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
index 8ac9924..b52efde 100755
--- a/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
+++ b/ims/ims-ext-common/src/org/codeaurora/ims/QtiCallConstants.java
@@ -396,7 +396,7 @@
 
     // Set for MT pre alerting call (unique ID to match subscription)
     // Type: int
-    public static final String EXTRA_PRE_ALERTING_CALL_PHONE_ID = " pre_alerting_call_phoneId";
+    public static final String EXTRA_PRE_ALERTING_CALL_PHONE_ID = "pre_alerting_call_phoneId";
 
     // Set for MT pre alerting call (only set when the call has ended)
     // Type: boolean