update package.json

package.json

     "build": ":",
     "lint": "eslint src test",
     "test:js": "jest",
-    "test:android": "cd android && ./gradlew clean testDebugUnitTest -Dpre-dex=true",
+    "test:android": "cd android && ./gradlew clean testDebugUnitTest",
     "test:ios": ":",
     "pretest": "npm run lint",
     "test": "npm run test:js && npm run test:android && npm run test:ios",