Enable lint only if we are have fullsdk prebuilts.

Test: None
Bug: 36042561
Change-Id: I72db1dd01c825a4ec2e58f8069f380e901466eba

init.gradle

@@ -85,11 +85,13 @@ def setSdkInLocalPropertiesFile() {
         System.setProperty('android.home', "${init.prebuiltsRoot}/fullsdk-${platform}")
         File props = file("local.properties")
         props.write "sdk.dir=${fullSdkPath}"
+        ext.usingFullSdk = true
     } else {
         gradle.ext.currentSdk = 'current'
         project.ext.androidJar = files("${init.prebuiltsRoot}/sdk/current/android.jar")
         File props = file("local.properties")
         props.write "android.dir=../../"
+        ext.usingFullSdk = false
     }
 }
 

src/main/groovy/android/support/SupportLibraryPlugin.groovy

@@ -92,8 +92,10 @@ class SupportLibraryPlugin implements Plugin<Project> {
             error 'NewApi'
         }
 
-        // Library projects don't run lint by default, so set up dependency.
-        project.tasks.release.dependsOn project.tasks.lint
+        if (project.rootProject.ext.usingFullSdk) {
+            // Library projects don't run lint by default, so set up dependency.
+            project.tasks.release.dependsOn project.tasks.lint
+        }
 
         // Java 8 is only fully supported on API 24+ and not all Java 8 features are binary
         // compatible with API < 24, so use Java 7 for both source AND target.