Also updated the doxy to remove the brief tag.
Made mirror change to appint.h

fix(developer): building kmw keyboard had wrong message callback signature

auto: increment master version to 15.0.160

fix(android/engine): Fix font paths

chore(android): Document switching to other system keyboard

fix(developer): debugger crash with empty group

As the array length properties are unsigned integers, taking -1 from
them resulted in an integer overflow when the array was empty. A gotcha
with Delphi-style for loops!

auto: increment master version to 15.0.159

chore(android): Specify build tools version on other projects

feat(android/engine): Add other IME's to the Keyboard Picker menu

auto: increment master version to 15.0.158

fix(linux): Fix ibus-keyman integration tests 🎫

chore(developer): tweak language metadata message

chore(windows): Consolidate documentation for Windows devboxes

Co-authored-by: Darcy Wong <darcy_wong@sil.org>

feat(common/core/desktop): Allow preserved key support

While Android Studio Gradle plugin should automatically use a default version of build tools, we can specify it:
https://developer.android.com/studio/releases/build-tools

Attempting to resolve lint exceptions on the build agent.

Co-authored-by: Eberhard Beilharz <ermshiperete@users.noreply.github.com>

Also update issue comment for future removal of winows processor code

Co-authored-by: Marc Durdin <marc@durdin.net>

The pkeys was using the wrong counter as a index
in the map check therefore matching the incorrect key