Make change and version bump to r_aml_300900300 for mainline module file: packages/Tethering/apex/manifest.json

Change-Id: Ic95844fa021e178f665d3cc74e795e510cee29db
diff --git a/Tethering/apex/manifest.json b/Tethering/apex/manifest.json
index 60be19b..94508a3 100644
--- a/Tethering/apex/manifest.json
+++ b/Tethering/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.tethering",
-  "version": 300900200
+  "version": 300900300
 }