wip(uts): 支持 java 混编

packages/uni-uts-v1/src/kotlin.ts

@@ -368,7 +368,7 @@ export async function runKotlinDev(
     const platformFiles = copyPlatformFiles(
       path.resolve(inputDir, pluginRelativeDir, 'utssdk', 'app-android'),
       path.resolve(outputDir, pluginRelativeDir, 'utssdk', 'app-android'),
-      ['.kt']
+      ['.kt', '.java']
     )
 
     kotlinFiles.push(...platformFiles)

packages/uni-uts-v1/src/utils.ts

@@ -164,7 +164,8 @@ export function genUTSPlatformResource(
   const utsInputDir = resolveUTSPlatformDir(filename, platform)
   const utsOutputDir = resolveUTSPlatformDir(platformFile, platform)
 
-  const extname: string[] = [options.extname]
+  const extname: string[] =
+    options.extname === '.kt' ? ['.kt', '.java'] : [options.extname]
   // 拷贝所有非uts,vue文件及目录
   if (fs.existsSync(utsInputDir)) {
     fs.copySync(utsInputDir, utsOutputDir, {