Make change and version bump to r_aml_300800800 for mainline module file: manifest.json

Change-Id: I3abb90b728cd07008b421788c92e28a5eda8ad59
diff --git a/manifest.json b/manifest.json
index deeb29e..5eaf6c7 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300000000
+  "version": 300800800
 }