Blacklist two ATL headers that contain bad casts.

Bug: 507755
Change-Id: I369d942e9c9afe3d600885377ce79e09f91ccaea
Reviewed-on: https://chromium-review.googlesource.com/818529Reviewed-by: Evgeniy Stepanov <eugenis@chromium.org>
Commit-Queue: Peter Collingbourne <pcc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523154}

tools/cfi/blacklist.txt

@@ -20,6 +20,7 @@ type:*BlockIUnknownMethods*
 type:*BlockRefType*
 type:*SkAutoTUnref*
 type:*SkBlockComRef*
+src:*atlcomcli.h
 
 # invalid downcasts for IPC messages
 # https://crbug.com/520760
@@ -31,6 +32,9 @@ type:*EtwTraceProvider*
 # b/64003142
 fun:*internal_default_instance*
 
+# CAtlArray<T> casts to uninitialized T*.
+src:*atlcoll.h
+
 #############################################################################
 # Base class's constructor accesses a derived class.