It seems the problem is on gdb and the dynamic linker. Skip the
test for now until we figure out what's going on with the system.

Updates #18784.

Change-Id: Ic9320ffd463f6c231b2c4192652263b1cf7f4231
Reviewed-on: https://go-review.googlesource.com/36250
Run-TryBot: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>