RFR: 8158801: [TEST_BUG] Mixing tests fail because of focus workaround trick [v16]

[Khalid Boulanouare]

> Many Mixing tests failed because the work around click lands on the minimizing area in the window control and causes the tests to fail.
> 
> This fix changes the width of base frames which allows most of tests to pass.

Khalid Boulanouare has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 25 additional commits since the last revision:

 - Merge branch 'openjdk:master' into jdk-8158801
 - Checks if component had focus first.
 - Removes wildcard imports
 - Merge branch 'openjdk:master' into jdk-8158801
 - Removes not needed component frace ancestor.
 - Problem unlists passed tests
 - Uses frame requestFocus instead of robot clicks for focus
 - Removes extra Robot waitForIdle
 - Merge branch 'openjdk:master' into jdk-8158801
 - Restores copyright year for tests not updated
 - ... and 15 more: https://git.openjdk.org/jdk/compare/d4a6f6c4...ce91a9d7

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25971/files
  - new: https://git.openjdk.org/jdk/pull/25971/files/890430eb..ce91a9d7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25971&range=15
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25971&range=14-15

  Stats: 4268 lines in 120 files changed: 2055 ins; 1902 del; 311 mod
  Patch: https://git.openjdk.org/jdk/pull/25971.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25971/head:pull/25971

PR: https://git.openjdk.org/jdk/pull/25971