Improve GRADLE build Performance

Author: hongdongni

.travis.yml

@@ -1,27 +1 @@
-language: android
-addons:
-  artifacts:
-    debug: true
-    s3_region: "us-west-1"
-    paths:
-      - $(ls $TRAVIS_BUILD_DIR/*/build/outputs/lint-results-debug.html)
-jdk:
-  - oraclejdk8
-android:
-  components:
-    - tools
-    - android-28
-    - build-tools-28.0.3
-    - platform-tools
-    - extra-google-google_play_services
-    - extra-google-m2repository
-    - extra-android-m2repository
-    - addon-google_apis-google-19
-before_cache:
-  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
-  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
-cache:
-  directories:
-    - $HOME/.gradle/caches/
-    - $HOME/.gradle/wrapper/
-script: ./gradlew assembleDebug checkstyle lintDebug lintKotlin check
+[language: android, addons:,   artifacts:,     debug: true,     s3_region: "us-west-1",     paths:,       - $(ls $TRAVIS_BUILD_DIR/*/build/outputs/lint-results-debug.html), jdk:,   - oraclejdk8, android:,   components:,     - tools,     - android-28,     - build-tools-28.0.3,     - platform-tools,     - extra-google-google_play_services,     - extra-google-m2repository,     - extra-android-m2repository,     - addon-google_apis-google-19, before_cache:,   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock,   - rm -fr $HOME/.gradle/caches/*/plugin-resolution/, cache:,   directories:,     - $HOME/.gradle/caches/,     - $HOME/.gradle/wrapper/, script: ./gradlew assembleDebug checkstyle lintDebug lintKotlin check]

gradle.properties

@@ -4,7 +4,7 @@ org.gradle.jvmargs=-Xmx2560m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryErro
 org.gradle.caching=true
 
 # https://github.com/gradle/kotlin-dsl/issues/311
-org.gradle.configureondemand=false
+org.gradle.configureondemand=true
 
 android.builder.sdkDownload=true
 android.enableBuildCache=true