Add note to INPUT_OWNERS with triage alias

Bug: 245989146
Change-Id: Ib84c732ce1c6e8352e6492507c09b4d987d97599
Test: none
diff --git a/INPUT_OWNERS b/INPUT_OWNERS
index 06ead06..9b1016e 100644
--- a/INPUT_OWNERS
+++ b/INPUT_OWNERS
@@ -1,4 +1,5 @@
 # Bug component: 136048
+# Please assign bugs to android-framework-input-triage@.
 arpitks@google.com
 asmitapoddar@google.com
 hcutts@google.com