[vectorIntrinsics] RFR: 8282942: [vector] Trivial code style updates [v2]

[Xiaohong Gong]

> This patch mainly fixes some code style issues in the Vector API java codes and the test codes, e.g. adding the missing spaces for some statements.

Xiaohong Gong has updated the pull request incrementally with one additional commit since the last revision:

  Revert most changes, only touch vectorIntrinsics specific codes

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Changes:
  - all: https://git.openjdk.java.net/panama-vector/pull/179/files
  - new: https://git.openjdk.java.net/panama-vector/pull/179/files/52563ab3..5ab40e7a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=179&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=179&range=00-01

  Stats: 15678 lines in 181 files changed: 398 ins; 0 del; 15280 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/179.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/179/head:pull/179

PR: https://git.openjdk.java.net/panama-vector/pull/179