RFR: 8279031: Add API note to ToolProvider about being reusable/reentrant [v2]

[Christian Stein]

> This commit adds an  API note to ToolProvider about being reusable/reentrant.

Christian Stein has updated the pull request incrementally with one additional commit since the last revision:

  Update src/java.base/share/classes/java/util/spi/ToolProvider.java
  
  Co-authored-by: Anthony Vanelverdinghe <dev at anthonyv.be>

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8833/files
  - new: https://git.openjdk.java.net/jdk/pull/8833/files/035c1b14..dd3c6b6a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8833&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8833&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8833.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8833/head:pull/8833

PR: https://git.openjdk.java.net/jdk/pull/8833