RFR: 8313181: Enabling modern media controls on webkit 616.1 does not load button images on HTML5 video Element [v2]

[Jay Bhaskar]

> Issue : Enabling modern media controls on webkit 616.1 does not load button images on HTML5 Video Element
> Solution: Add resources and correct MediaControl Stylesheet

Jay Bhaskar has updated the pull request incrementally with one additional commit since the last revision:

  clean up according to review comments

-------------

Changes:
  - all: https://git.openjdk.org/jfx/pull/1201/files
  - new: https://git.openjdk.org/jfx/pull/1201/files/a3b1008c..dd30e305

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1201&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1201&range=00-01

  Stats: 10 lines in 3 files changed: 1 ins; 3 del; 6 mod
  Patch: https://git.openjdk.org/jfx/pull/1201.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1201/head:pull/1201

PR: https://git.openjdk.org/jfx/pull/1201