Add python Soong modules for logtags

Bug: 336189540
Test: m out/soong/.intermediates/all-event-log-tags.txt
Test: m out/target/common/obj/all-event-log-tags
Change-Id: Iae336a05bb2f27564b0bf8d4ea3753a30be89e90
diff --git a/tools/Android.bp b/tools/Android.bp
index 0a55ed4..59831a6 100644
--- a/tools/Android.bp
+++ b/tools/Android.bp
@@ -115,3 +115,11 @@
         },
     },
 }
+
+python_binary_host {
+    name: "merge-event-log-tags",
+    srcs: [
+        "event_log_tags.py",
+        "merge-event-log-tags.py",
+    ],
+}