[jdk8u-dev] RFR: 8160974: [TESTBUG] Mark more headful tests with @key headful. [v4]

[Kazuhisa Takakuri]

> This is a backport of JDK-8160974: [TESTBUG] Mark more headful tests with @key headful.
> 
> This patch has already been applied to OracleJDK8.
> As noted in the Bug Issue comments, some tests do not exist in 8u.

Kazuhisa Takakuri has updated the pull request incrementally with one additional commit since the last revision:

  Backport e52b963d0cdc49e2048757eae2e4b10bb279f296

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

Changes:
  - all: https://git.openjdk.org/jdk8u-dev/pull/383/files
  - new: https://git.openjdk.org/jdk8u-dev/pull/383/files/757abee7..df1f54df

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=383&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=383&range=02-03

  Stats: 12 lines in 3 files changed: 1 ins; 4 del; 7 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/383.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev.git pull/383/head:pull/383

PR: https://git.openjdk.org/jdk8u-dev/pull/383