[Android] Fix task order problem. (#2964)

* [Android] Fix task order problem.

* Change shouldRunAfter to mustRunAfter

* Change runAfter to dependsOn.

* Update build.gradle

Author: YorkShen

android/sdk/build.gradle

@@ -26,12 +26,12 @@ apply plugin: 'checkstyle'
 apply plugin: 'com.jfrog.bintray'
 apply plugin: 'com.github.dcendents.android-maven'
 
-apply from: 'buildSrc/asan.gradle'
 apply from: 'buildSrc/jcenter.gradle'
 apply from: 'buildSrc/unstripped.gradle'
 apply from: 'buildSrc/checkStyle.gradle'
 apply from: 'buildSrc/download_jsc.gradle'
 apply from: 'buildSrc/packageName.gradle'
+apply from: 'buildSrc/asan.gradle'
 
 version = project.hasProperty('weexVersion') ? project.getProperty('weexVersion') : '0.26.0.1'
 
@@ -228,7 +228,6 @@ android {
 }
 
 dependencies {
-    implementation fileTree(include: ['*.jar'], dir: 'libs')
     //noinspection GradleDependency
     compileOnly "com.android.support:recyclerview-v7:${project.supportLibVersion}"
     //noinspection GradleDependency
@@ -284,4 +283,4 @@ task weex_core_license(type: com.hierynomus.gradle.license.tasks.LicenseFormat)
                      'Source/include/JavaScriptCore/**/*.cpp'])
 }
 
-preBuild.dependsOn copyASanLib, checkNdkVersion, licenseFormat
+preBuild.dependsOn licenseFormat

android/sdk/buildSrc/asan.gradle

@@ -46,7 +46,8 @@ task copyWrapScript(type: Copy,dependsOn: clearASanLibs) {
         }
     }
 }
-task copyASanLib(type: Copy,dependsOn: copyWrapScript){
+task copyASanLib(type: Copy){
+    dependsOn copyWrapScript, copyJscToJniDir
     if(project.hasProperty('enableASan') && "true" == project.getProperty('enableASan')) {
         def ndkPath = ndkDir == '' ? System.getenv("ANDROID_NDK_HOME"):ndkDir
         def dir = ndkPath + '/toolchains/llvm/prebuilt/'
@@ -67,4 +68,6 @@ task copyASanLib(type: Copy,dependsOn: copyWrapScript){
             includeEmptyDirs = false
         }
     }
-}
+}
+
+preBuild.dependsOn copyASanLib, checkNdkVersion

android/sdk/buildSrc/download_jsc.gradle

@@ -60,9 +60,6 @@ task unzipJSC(type: Copy, dependsOn: download) {
 
 task copyJscToJniDir(type: Copy, dependsOn: unzipJSC) {
     def libsDir = project.android.sourceSets.main.jniLibs.srcDirs[-1]
-    doFirst{
-        delete libsDir
-    }
     from zipTree(aar_file)
     into libsDir
     include 'jni/**/*.so'