The version code in the manifest is only used for development
builds, as release builds dynamically replace it.
Tethering should have been using 309999900 during S development. That
version was used in many downstream branches, so make it consistent so
it can be bumped for S in all branches.
Bug: 193853555
Test: m com.google.android.tethering, check version code
Merged-In: Ia3d5f2201ce67308df8e2689f6c99e28049a4877
Merged-In: I0d4bd06e79adedbf582d2fed551d9f1bde521fd1
Merged-In: Ie3a058b904cb2e3704c3a0725c8f720f81bb235e
Change-Id: I644f0d801efb491be45c3dc29fa1058476282772
13b8b17b11