Make change and version bump to r_aml_300803100 for mainline module file: manifest.json

Change-Id: I67763955eefbbf2d9b31ea21c54222c08674ba88
diff --git a/manifest.json b/manifest.json
index efe27fa..0c7120d 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300803000
+  "version": 300803100
 }