beta test for Hexagon SDK and OpenCL releases on Linux

v0.4-beta

Release v0.4-beta

Update Hexagon SDK and OpenCL releases

Updates:

• Hexagon SDK Community Edition v6.4.0.2
• OpenCL release to 2025.07.22

docker pull ghcr.io/snapdragon-toolchain/arm64-android:v0.3

Minor update to the environment variables

Now using ANDROID_NDK_ROOT to keep things consistent with other environments (Github Actions, etc).

Initial support for Snapdragon Android devices

Initial release targeting Snapdragon Android devices

• Android NDK 28r
• OpenCL 2 & 3
• Hexagon SDK 6.3.0

docker pull ghcr.io/snapdragon-toolchain/arm64-android:v0.1