Import prepare_release.gradle script

Author: tuancoltech

app/build.gradle

@@ -113,6 +113,8 @@ task releaseClean(dependsOn: ensureCleanRepo) {
 // Task parameters:
 //    bumpVersion -> if available will specify new versionName directly and ignores the `bumpType` parameter.
 //    bumpType[major|minor|patch] -> will specify how the version bumping occurs.
+
+apply from: "${rootProject.projectDir}/gradle/prepare_release.gradle"
 task releasePrepare(dependsOn: ensureCleanRepo) {
     doLast {
         prepareRelease()