RFR: 8343412: Missing escapes for single quote marks in javac.properties [v2]

[Archie Cobbs]

> Please review these simple syntax fixes for `javac.properties`.
> 
> The source file `javac.properties` contains the English message bundle for the javac tool. Since the strings in this file are `MessageFormat` format strings, any single quotes must be escaped by doubling them.

Archie Cobbs has updated the pull request incrementally with one additional commit since the last revision:

  Reword to keep width under 80 columns.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21816/files
  - new: https://git.openjdk.org/jdk/pull/21816/files/31e74035..ac32b52c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21816&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21816&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/21816.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21816/head:pull/21816

PR: https://git.openjdk.org/jdk/pull/21816