Add support for new tool: Android SDK's `sdkmanager`

[jamietanna]

Tool name: Android SDK Manager

What is the tool used for?

Required for Gradle dependency resolution on Android projects in Mend's scanner Docker images. The Android Gradle Plugin adds android.jar from the SDK platform to compile classpaths. Without it, Gradle dependency resolution fails on test compile classpath configurations (*TestCompileClasspath).

Tool scope: Full development stack (headers, SDK, compiler)

Supported version range:

• The latest version is downloadable via https://dl.google.com/android/repository/commandlinetools-linux-latest.zip
• Via, there is https://dl.google.com/android/repository/repository2-1.xml which could be used to download the cmdline-tools for the given major versions

Key commands that must work:

sdkmanager --version
sdkmanager --list
sdkmanager "platforms;android-34"
yes | sdkmanager --licenses

Uninstall strategy:

rm -rf $ANDROID_HOME 
unset ANDROID_HOME

License: Apache-2.0

Minimal Dockerfile snippet:

RUN apt-get update && apt-get install -y wget unzip \
    && mkdir -p /opt/android-sdk/cmdline-tools \
    && wget -q https://dl.google.com/android/repository/commandlinetools-linux-latest.zip -O /tmp/cmdline-tools.zip \
    && unzip -q /tmp/cmdline-tools.zip -d /opt/android-sdk/cmdline-tools \
    && mv /opt/android-sdk/cmdline-tools/cmdline-tools /opt/android-sdk/cmdline-tools/latest \
    && rm /tmp/cmdline-tools.zip

ENV ANDROID_HOME=/opt/android-sdk
ENV PATH=$PATH:$ANDROID_HOME/cmdline-tools/latest/bin

RUN yes | sdkmanager --licenses \
    && sdkmanager "platforms;android-33" "platforms;android-34" "platforms;android-35"

Suggested tests:

# Test 1 - SDK manager available
sdkmanager --version

# Test 2 - Platform installed
test -f $ANDROID_HOME/platforms/android-34/android.jar

# Test 3 - License accepted
sdkmanager --licenses 2>&1 | grep -q "All SDK package licenses accepted"

Any other relevant information:

• Android SDK requires Java (already supported as a parent tool in containerbase)
• The main artifact needed is android.jar from SDK platforms, used by Android Gradle Plugin during dependency resolution