Add maven_aar rules

Test: bazel build everything
Change-Id: Ibda3b989c170e86dbeaa95f65ad0679b5a416163
diff --git a/common/m2/repository/com/google/auto/auto-parent/2/BUILD b/common/m2/repository/com/google/auto/auto-parent/2/BUILD
index bfc6b8c..a8093b7 100644
--- a/common/m2/repository/com/google/auto/auto-parent/2/BUILD
+++ b/common/m2/repository/com/google/auto/auto-parent/2/BUILD
@@ -1,5 +1,5 @@
 # This BUILD file was generated by //tools/base/bazel:java_import_generator, please do not edit.
-load("//tools/base/bazel:maven.bzl", "maven_java_import", "maven_pom")
+load("//tools/base/bazel:maven.bzl", "maven_java_import", "maven_pom", "maven_aar")
 
 maven_pom(
     name = "pom",