Fix the spam icon size on incallui.

Screenshot:
https://screenshot.googleplex.com/WgRc7ASQV8r

Change-Id: I92aaa646aaa614bc0541e9942ffdda18b971ade9
Fix: 27611253
diff --git a/InCallUI/res/layout/primary_call_info.xml b/InCallUI/res/layout/primary_call_info.xml
index 56291bc..cae9152 100644
--- a/InCallUI/res/layout/primary_call_info.xml
+++ b/InCallUI/res/layout/primary_call_info.xml
@@ -164,7 +164,7 @@
             android:visibility="gone" />
 
         <ImageView android:id="@+id/spamIcon"
-            android:src="@drawable/blocked_contact"
+            android:src="@drawable/ic_report_24dp"
             android:layout_width="24dp"
             android:layout_height="match_parent"
             android:layout_marginEnd="8dp"