oprofile/daemon doesn't build for x86_64.

We'll probably remove external/oprofile soon, but this gets us closer
to being able to turn on an x86_64 continuous build in the meantime.

Change-Id: Ic1d5331d41dafee9ffed222dc332afed2d4ae356
diff --git a/core/64_bit_blacklist.mk b/core/64_bit_blacklist.mk
index 99db95d..7de9224 100644
--- a/core/64_bit_blacklist.mk
+++ b/core/64_bit_blacklist.mk
@@ -19,6 +19,7 @@
 # misc build errors
 _64_bit_directory_blacklist += \
 	external/bluetooth/bluedroid \
+	external/oprofile/daemon \
 	external/oprofile/opcontrol \
 	external/tcpdump \
 	frameworks/av \