RFR: 8299864: ZipFileStore#supportsFileAttributeView(String) doesn't throw NPE [v4]

[Per Minborg]

> This PR proposes to add null-checking for some parameter arguments in `ZipFileStore`.

Per Minborg has updated the pull request incrementally with one additional commit since the last revision:

  Fix typo and add bug ref

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Changes:
  - all: https://git.openjdk.org/jdk/pull/11926/files
  - new: https://git.openjdk.org/jdk/pull/11926/files/84813af1..6003faae

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11926&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11926&range=02-03

  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11926.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11926/head:pull/11926

PR: https://git.openjdk.org/jdk/pull/11926