Move DSL namespace from supportLibrary to androidx.

Test: ./gradlew createArchive
Change-Id: I07a66c4685daec2b72c83a8fbff9430ec9764a64
diff --git a/lifecycle/process/build.gradle b/lifecycle/process/build.gradle
index dfa35d1..ef16d9f 100644
--- a/lifecycle/process/build.gradle
+++ b/lifecycle/process/build.gradle
@@ -36,7 +36,7 @@
     testImplementation(MOCKITO_CORE)
 }
 
-supportLibrary {
+androidx {
     name = "Android Lifecycle Process"
     publish = true
     mavenVersion = LibraryVersions.LIFECYCLE