Make change and version bump to r_aml_300802700 for mainline module file: manifest.json

Change-Id: I9b2c33752078b22c760a6d69f94f911073a7d92f
diff --git a/manifest.json b/manifest.json
index 4fab7d2..64a6aee 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.sdkext",
-  "version": 300802600
+  "version": 300802700
 }