Make change and version bump to r_aml_300801900 for mainline module file: manifest.json

Change-Id: Ia95a84d24bcb22b69640e5b57a2e99028eaa0fef
diff --git a/manifest.json b/manifest.json
index deeb29e..9468f7f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300000000
+  "version": 300801900
 }