RFR: 8319313: G1: Rename G1EvacFailureInjector appropriately [v3]

[Thomas Schatzl]

> Hi all,
> 
>   please review this rename of `G1EvacFailureInjector` and associated options to `G1AllocationFailureInjector` according to the results of the discussion for the review of [JDK-8318706](https://bugs.openjdk.org/browse/JDK-8318706).
> 
> To facilitate review the first commit implements the renaming changes, the second moves the affected files only.
> 
> Testing: gha, local gc/g1 tests
> 
> Thanks,
>   Thomas

Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:

  rename flags after internal discussion

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16905/files
  - new: https://git.openjdk.org/jdk/pull/16905/files/a161d1fb..b23c057d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16905&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16905&range=01-02

  Stats: 49 lines in 9 files changed: 0 ins; 0 del; 49 mod
  Patch: https://git.openjdk.org/jdk/pull/16905.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16905/head:pull/16905

PR: https://git.openjdk.org/jdk/pull/16905