Merge logtags from cc modules too

Merged logtags files will be used for Soong built filesystem images.

Bug: 336189540
Test: m out/soong/.intermediates/all-event-log-tags.txt
Test: m out/target/common/obj/all-event-log-tags.txt
Change-Id: Ib590c2bc8073e9acee6b45ef08092768237cf9d3
diff --git a/android/Android.bp b/android/Android.bp
index f130d3a..f0be44b 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -60,6 +60,7 @@
         "license_metadata.go",
         "license_sdk_member.go",
         "licenses.go",
+        "logtags.go",
         "makevars.go",
         "metrics.go",
         "module.go",