DrmUtils: return 1.3 hidl factories

Bug: 139134043
Test: MediaDrmGenericOpsTest
Change-Id: I0447758344432eff84bd5221e575f9dca3db56d4
diff --git a/drm/libmediadrm/Android.bp b/drm/libmediadrm/Android.bp
index 255640f..802e2c4 100644
--- a/drm/libmediadrm/Android.bp
+++ b/drm/libmediadrm/Android.bp
@@ -50,6 +50,7 @@
         "android.hardware.drm@1.0",
         "android.hardware.drm@1.1",
         "android.hardware.drm@1.2",
+        "android.hardware.drm@1.3",
         "libhidlallocatorutils",
         "libhidlbase",
     ],