* fixing: if (${USE_POSIX_THREAD} ... causes a syntax error, adding
a semicolon to the flags

* Metadata updates for release 8.12.41 (#2718)

* Penmetsaa maven update release 8.12.41 (#2719)

* [maven-release-plugin] prepare release v8.12.41

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* Update README.md (#2720)

Co-authored-by: penmetsaa <penmetsaa@google.com>

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Keep track of whether unicode strings were created from valid UTF-8 and
use this to abort operations that use these strings later.

Typically, this is done by returning an empty string when a modified
string is being produced, since an empty string is never a valid phone
number.

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@API updates:
- Migrating from associative containers to more performant types. Eg: map to absl::btree_map.
- Synchronise the write access to map "AreaCodeMaps" using absl::Mutex locking api.
- Use more of absl:strings packages like absl::StrReplaceAll

@Build updates:
- To build (CMake) against absl packages, the minimum version of compiler is CPP11+, whereas earlier we are not mandating this.
- We are upgrading CMAKE version also to automate building the external absl packages.

The change is announced. Please report issues in case of any breakages.
https://issuetracker.google.com/issues?q=componentid:192347%20555

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Merged as part of b/207106531

This is inspired from b/205606725 and older b/111967450 where MX stopped supporting all additional dialling codes.

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It is being a maintainace issue to keep updating JS api to be compatible with newer closure releases.
https://buganizer.corp.google.com/issues/192369473

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- This change is only for some metadata/ apis only.
- Bumped up java version for this.
More details in cl/396604897

* Update FAQ about "why parsed national number is different in JS".

Inspired from https://issuetracker.google.com/issues/198423548

* Update FAQ.md

- When configured "pull_request[type: opened] + push", workflow not getting triggered when there is a change in PR code/commits when the branch is from the parent's forked repo.
- Configured only pull_request event as any change can only go through PR. 
- pull_request event by default happens when opened, synchronize (means whenever there is change/commit, sync happens), and reopened. So this should be good enough for our use cases.

More details in [approach doc](https://docs.google.com/document/d/1YNYUAlEUXTi4UZG5gEFZGQ7oe7LxNKh7FYSg2qtIUvI/edit#heading=h.1c7qt5y1jb9)

Our objective is to (replicating the previous setup):
- Do Maven test of LPN tool modules common, data and java-build through a Maven profile.
- Also build and test run ant target “junit” that unit tests the java LPN  api jar after being built.
- Check whether LPN’s JS API/files are in ascii format/not. 
- More details are mentioned in [approach doc](https://docs.google.com/document/d/1YNYUAlEUXTi4UZG5gEFZGQ7oe7LxNKh7FYSg2qtIUvI/edit)

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