Integrated: 7421: Update Japanese translation for pages

[mohno007]

On Mon, 20 Sep 2021 12:56:50 GMT, mohno007 <duke at openjdk.java.net> wrote:

> This PR updates/improves Japanese translation for pages.
> 
> Update texts based on new commits to `messages.properties` made after the last update date of the `messages_ja.properties`.
> 
> You can see decoded version of `messages_ja` using this script:
> 
> 
> native2ascii -reverse application/l10n/org.openjdk.jmc.flightrecorder.ui.ja/src/main/resources/org/openjdk/jmc/flightrecorder/ui/messages/internal/messages_ja.properties

This pull request has now been integrated.

Changeset: 2f791567
Author:    Motohiro Ohno <m-ohno at atware.co.jp>
Committer: Marcus Hirt <hirt at openjdk.org>
URL:       https://git.openjdk.java.net/jmc/commit/2f7915676d077987292b76aa462aa0d71f8ef372
Stats:     72 lines in 1 file changed: 61 ins; 2 del; 9 mod

7421: Update Japanese translation for pages

Reviewed-by: aptmac, hirt

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PR: https://git.openjdk.java.net/jmc/pull/310