RFR: 8288882: JFileChooser - empty (0 bytes) file is displayed as 1 KB [v2]

[Abhishek Kumar]

> JFileChooser - empty file size issue fixed. 
> For empty file, now the size 0 bytes.
> Manual Test Case "ZeroFileSizeCheck.java" created.

Abhishek Kumar 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 two additional commits since the last revision:

 - Merge branch 'master' of https://git.openjdk.java.net/jdk into JDK-8288882
 - JFileChooser empty file size 0 bytes fixed

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/9327/files
  - new: https://git.openjdk.org/jdk/pull/9327/files/c9583130..a7b31d98

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9327&range=00-01

  Stats: 64636 lines in 1251 files changed: 39136 ins; 12514 del; 12986 mod
  Patch: https://git.openjdk.org/jdk/pull/9327.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9327/head:pull/9327

PR: https://git.openjdk.org/jdk/pull/9327