[Merge to M59] Fix MD display settings when the display supports a single resolution

[Merge to M59] Fix MD display settings when the display supports a single resolution

Use this.$.slider.value instead of this.$slider.immediateValue when
this.$.slider.immediateValue is invalid.

TBR=stevenjb@chromium.org
BUG=712842
TEST=manually by connected an MIMO external USB display.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2829663004
Cr-Commit-Position: refs/heads/master@{#465807}
(cherry picked from commit 77ac96ae13745efb0300a75232dca1251cd5ada2)

Review-Url: https://codereview.chromium.org/2832953002 .
Cr-Commit-Position: refs/branch-heads/3071@{#106}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/ee13d6d2a7d3ca2b27c897a1567d915f2cf900f6

[afakhry, 2017-04-21 00:05:06]

Description was changed from

==========
[Merge to M59] Fix MD display settings when the display supports a single
resolution

Use this.$.slider.value instead of this.$slider.immediateValue when
this.$.slider.immediateValue is invalid.

TBR=stevenjb@chromium.org
BUG=712842
TEST=manually by connected an MIMO external USB display.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2829663004
Cr-Commit-Position: refs/heads/master@{#465807}
(cherry picked from commit 77ac96ae13745efb0300a75232dca1251cd5ada2)
==========

to

==========
[Merge to M59] Fix MD display settings when the display supports a single
resolution

Use this.$.slider.value instead of this.$slider.immediateValue when
this.$.slider.immediateValue is invalid.

TBR=stevenjb@chromium.org
BUG=712842
TEST=manually by connected an MIMO external USB display.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2829663004
Cr-Commit-Position: refs/heads/master@{#465807}
(cherry picked from commit 77ac96ae13745efb0300a75232dca1251cd5ada2)

Review-Url: https://codereview.chromium.org/2832953002 .
Cr-Commit-Position: refs/branch-heads/3071@{#106}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/ee13d6d2a7d3ca2b27c897a1567d...
==========

[afakhry, 2017-04-21 00:05:07]

Committed patchset #1 (id:1) manually as
ee13d6d2a7d3ca2b27c897a1567d915f2cf900f6 (presubmit successful).