refactor(ci): Add optional setup toggles for Java, Ruby, and Gradle in Android CI action

Introduced inputs to enable or disable the setup of Java, Ruby, and Gradle independently in `.github/actions/android-setup-environment`. Updated steps to conditionally execute based on these inputs for enhanced flexibility.

Author: matejsemancik

.github/actions/android-setup-environment/action.yml

@@ -2,38 +2,53 @@ name: Set up Android environment
 description: Sets up Java, Gradle and Ruby and other preconditions for CI runs at Futured Android workflows.
 
 inputs:
-  # Required inputs
+  # Java
+  java:
+    description: "Whether to set up Java"
+    required: false
+    default: 'true'
   java_version:
     description: "Java version to use, eg. '17'."
-    required: true
+    required: false
     default: '17'
   java_distribution:
     description: "Java distribution to use, eg 'zulu'."
-    required: true
+    required: false
     default: 'zulu'
-
-  # Optional inputs
-  gradle_cache_encryption_key:
-    description: "Configuration cache encryption key. Leave empty if you don't need cache."
+  # Ruby
+  ruby:
+    description: "Whether to set up Ruby"
     required: false
+    default: 'true'
   ruby_version:
     description: "Ruby version."
     required: false
     default: '3.4'
+  # Gradle
+  gradle:
+    description: "Whether to set up Gradle"
+    required: false
+    default: 'true'
+  gradle_cache_encryption_key:
+    description: "Configuration cache encryption key. Leave empty if you don't need cache."
+    required: false
 
 runs:
   using: "composite"
   steps:
     - name: Setup Ruby
+      if: ${{ inputs.ruby == 'true' }}
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ inputs.ruby_version }}
     - name: Setup Java
+      if: ${{ inputs.java == 'true' }}
       uses: actions/setup-java@v4
       with:
         java-version: ${{ inputs.java_version }}
         distribution: ${{ inputs.java_distribution }}
     - name: Setup Gradle
+      if: ${{ inputs.gradle == 'true' }}
       uses: gradle/actions/setup-gradle@v4
       with:
         cache-encryption-key: ${{ inputs.gradle_cache_encryption_key }}