Revert 234272 "Revert 234257 "Build mac and linux release builds..."

Revert 234272 "Revert 234257 "Build mac and linux release builds..."

> Revert 234257 "Build mac and linux release builds with symbols a..."
> 
> NaCL ignores linux_strip_binary...
> 
> > Build mac and linux release builds with symbols and don't strip them by default
> > 
> > On Mac, we already build with symbols, but strip them.
> > 
> > Building with symbols (a) matches what we do for official builds and (b)
> > makes crashes on release builders more useful.
> > 
> > BUG=315598
> > R=mark@chromium.org, thakis@chromium.org
> > 
> > Review URL: https://codereview.chromium.org/66673005
> 
> TBR=jochen@chromium.org
> 
> Review URL: https://codereview.chromium.org/69493002

TBR=jochen@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=234478

[jochen (gone - plz use gerrit), 2013-11-12 10:45:31]

Committed patchset #1 manually as r234478.