- Update to latest Gradle (7.0.2)
- Update to latest AGP (7.0.2)
- Update `compileSdkVersion` & `targetSdkVersion` to API31
- Link the shared library makefiles with Gradle to enable
integrated compilation.
- Update the makefiles to allow NDK's toolchains to automatically
link their packaged shared variant of LLVM's libstdc++.
- Target the latest LTS version of NDK (23.0.7599858)

- Use the pdfium 2.0.15-based prebuilt binaries from:
https://gitlab.com/axet/android-pdfium.
The binaries are extracted from:
https://search.maven.org/remotecontent?filepath=com/github/axet/pdfium/2.0.4/pdfium-2.0.4.aar.
- Replace the reflection-based native fd int extraction
from `ParcelFileDescriptor` with the API12+ getter method.

 - Set project version to 2.0.0
 - Bump gradle wrapper to 8.13
 - Bump gradle to 8.9.1
 - Set `sourceCompatibility` and `targetCompatibility` to Java 11
 - Bump NDK version to `29.0.13113456`
 - Set `compileSdkVersion`, `targetSdkVersion` to 35
 - Set `minSdkVersion` to 24

 - Update `libmodpdfium.so` libs with 16kb versions
 - Update supporting public `*.h` files
 - Fix problem in `mainJNILib.cpp`

 - Update `build.pdfium.sh` to close a chose `githash` for the pdfium build
 - Add additional information to the `BUILD_NATIVE.md`

 - Add `build_static_lib.sh` script dedicated to build pdfium as a static lib
 - Update the `BUILD_NATIVE.md` to take in to account the two different build scripts

2.0.0

 - Change `libmodpdfium.so` to use precompiled libs from `https://github.com/bblanchon/pdfium-binaries`
 - Update supporting public `*.h` files

 - Update project version to 2.1.0
 - Update CHANGELOG.md
 - Update README.md

2.1.0