Adding logging for various interaction in PinItemRequest UI

Bug: 34766840
Change-Id: Ib29d7d4b53ab99cdf3ff253976ef55345729487b
diff --git a/protos/launcher_log.proto b/protos/launcher_log.proto
index c42b142..68a6b28 100644
--- a/protos/launcher_log.proto
+++ b/protos/launcher_log.proto
@@ -79,6 +79,7 @@
   PREDICTION = 7;
   SEARCHRESULT = 8;
   DEEPSHORTCUTS = 9;
+  PINITEM = 10;    // confirmation screen
 }
 
 // Used to define what type of control a Target would represent.
@@ -124,6 +125,10 @@
   enum Command {
     HOME_INTENT = 0;
     BACK = 1;
+    ENTRY = 2;    // Indicates entry to one of Launcher container type target
+                  // not using the HOME_INTENT
+    CANCEL = 3;   // Indicates that a confirmation screen was cancelled
+    CONFIRM = 4;  // Indicates thata confirmation screen was accepted
   }
   optional Type type = 1;
   optional Touch touch = 2;