[Telemetry] Make prebuilt binary installation a little more robust.

BUG=

Review URL: https://codereview.chromium.org/74283003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235816 0039d316-1c4b-4281-b951-d872f2087c98
Rename icon_loader_aurax11 as icon_loader_auralinux.

This cl renames icon_loader_aurax11 as icon_loader_auralinux so
that the same implementation can be used with Aura+Ozone on Linux.
This fixes linking problems for Ozone platform.

BUG=

Review URL: https://codereview.chromium.org/74543002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235817 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235816
SVN changes up to revision 235817