RFR: 8276901: Implement UseHeavyMonitors consistently [v4]

[Coleen Phillimore]

On Wed, 17 Nov 2021 22:21:12 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Roman Kennke has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - Fix formatting
>>  - Keep UseHeavyMonitors as release flag, but deprecate it
>
> src/hotspot/share/runtime/globals.hpp line 1072:
> 
>> 1070:                                                                             \
>> 1071:   product(bool, UseHeavyMonitors, false,                                    \
>> 1072:           "use heavyweight instead of lightweight Java monitors")           \
> 
> For deprecated flags, make the description:
> "(Deprecated) Use heavyweight instead of lightweight Java monitors"

Also there's some test somewhere that you have to add this flag to.  @dholmes-ora would know where that is.

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PR: https://git.openjdk.java.net/jdk/pull/6320