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This reverts commit 6e3fb99a.

Reason for revert: install-build-deps.sh brocken:

The following packages have unmet dependencies:
 libappindicator3-1 : Conflicts: libappindicator3-1:i386 but 12.10.1+13.10.20130920-0ubuntu4.1 is to be installed
 libappindicator3-1:i386 : Depends: libindicator3-7:i386 (>= 0.4.90) but it is not going to be installed
                           Conflicts: libappindicator3-1 but 12.10.1+13.10.20130920-0ubuntu4.1 is to be installed
E: Unable to correct problems, you have held broken packages.

Original change's description:
> Add 32-bit version of libappindicator3-1
> 
> When doing a 32-bit build on a 64-bit system, the 32-bit version of the
> library is not available. This CL should fix that.
> 
> Bug: 799144
> Change-Id: I40c6d16d708db102eb4da90ded7bc336cb9f9b09
> Reviewed-on: https://chromium-review.googlesource.com/940196
> Reviewed-by: Dirk Pranke <dpranke@chromium.org>
> Commit-Queue: Tim Brown <timbrown@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#539851}

TBR=dpranke@chromium.org,timbrown@chromium.org

Change-Id: Ic6ee1c67eb9c8a5cd438b7f0bc86fbea18125b46
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 799144
Reviewed-on: https://chromium-review.googlesource.com/941614Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Dmytro Golovchenko <dgolovchenko@google.com>
Cr-Commit-Position: refs/heads/master@{#539949}