Update Tethering development module version numbers to 319999900

Bug: 193059742
Bug: 194013709
Test: build, aapt dump badging generated apex
Ignore-AOSP-First: Change intended for Android S and downstream branches

Change-Id: I93cfd56978583b03f56070112be896812fe737ef
Merged-In: Ib8905a641780bed490a38327facee4a76e7770a3
diff --git a/Tethering/apex/manifest.json b/Tethering/apex/manifest.json
index 11e205d..88f13b2 100644
--- a/Tethering/apex/manifest.json
+++ b/Tethering/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.tethering",
-  "version": 309999900
+  "version": 319999900
 }