Merge "Only generated notices for built variants." am: c8a06ca8c8 am: d84901ed2c

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2302372

Change-Id: I1e1e78fae50c3505e05adf5fd427e3e7be679d4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

android/gen_notice.go

@@ -61,6 +61,9 @@ func (s *genNoticeBuildRules) GenerateBuildActions(ctx SingletonContext) {
 				if mod == nil {
 					continue
 				}
+				if !mod.Enabled() { // don't depend on variants without build rules
+					continue
+				}
 				modules = append(modules, mod)
 			}
 		}