Disable SysInfoTest.AmountOfPhysicalMemory on NaCl.
Disable SysInfoTest.AmountOfPhysicalMemory on NaCl.

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/499263003

git-svn-id: f98b9d40cb02301bc76fa9e1b46ee668158567fd@23447 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh