Make change and version bump to r_aml_300802400 for mainline module file: manifest.json

Change-Id: I066ef3f687183176f47277aa678b5a3f3c283102
diff --git a/manifest.json b/manifest.json
index deeb29e..118775d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300000000
+  "version": 300802400
 }