Make createArchive gradle target invoke API check

Bug: 29596558
Change-Id: Ifa542a78f78aa1d49715a260aba304b3722b5dfc
diff --git a/build.gradle b/build.gradle
index 6a30e07..1a3eb36 100644
--- a/build.gradle
+++ b/build.gradle
@@ -316,6 +316,7 @@
     newRemovedApiFile = new File(project.docsDir, 'release/removed.txt')
     oldRemovedApiFile = new File(project.rootDir, 'api/removed.txt')
 }
+createArchive.dependsOn checkApi
 
 subprojects {
     // Only modify android projects.