Add input to set version code

Use action input `androidVersionCode` when provided. Generate the androidVersionCode from the version otherwise.

action/default-build-script/Assets/Editor/Builder.cs

@@ -28,6 +28,7 @@ namespace UnityBuilderAction
 
       // Set version for this build
       VersionApplicator.SetVersion(options["version"]);
+      VersionApplicator.SetAndroidVersionCode(options["androidVersionCode"]);
 
       // Perform build
       BuildReport buildReport = BuildPipeline.BuildPlayer(buildOptions);

action/default-build-script/Assets/Editor/Versioning/VersionApplicator.cs

@@ -1,5 +1,4 @@
 using System;
-using JetBrains.Annotations;
 using UnityEditor;
 
 namespace UnityBuilderAction.Versioning
@@ -11,10 +10,14 @@ namespace UnityBuilderAction.Versioning
       if (version == "none") {
         return;
       }
-      
+
       Apply(version);
     }
 
+    public static void SetAndroidVersionCode(string androidVersionCode) {
+      PlayerSettings.Android.bundleVersionCode = Int32.Parse(androidVersionCode);
+    }
+
     static void Apply(string version)
     {
       PlayerSettings.bundleVersion = version;

action/steps/build.sh

@@ -109,8 +109,8 @@ xvfb-run --auto-servernum --server-args='-screen 0 640x480x24' \
     -customBuildTarget "$BUILD_TARGET" \
     -customBuildPath "$CUSTOM_BUILD_PATH" \
     -executeMethod "$BUILD_METHOD" \
-    -versioning "$VERSIONING" \
     -version "$VERSION" \
+    -androidVersionCode "$ANDROID_VERSION_CODE" \
     $CUSTOM_PARAMETERS
 
 # Catch exit code