Revert 234478 "Revert 234272 "Revert 234257 "Build mac and linux..."

This CL increases extract_build times from ~40 seconds to ~400 seconds. We are
not currently equipped to handle this slowdown of build cycle times. Reverting
this until we have a way to do this that won't increase cycle times by 15%.

BUG=315598
TBR=jochen@chromium.org,cmp@chromium.org,dpranke@chromium.org

> 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
> 
> Review URL: https://codereview.chromium.org/66293011

TBR=jochen@chromium.org

Review URL: https://codereview.chromium.org/68103018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235042 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235042