Add NetworkStackApi{Current/31}Shims with min_sdk 29 to allowed_deps

They are used for Tethering and NetworkStack module

Bug: 182211575
Test: m

Change-Id: I6d7bcffa337d0c1e50b1883f68999d2ffdf09de8
diff --git a/build/allowed_deps.txt b/build/allowed_deps.txt
index 433c9f7..01d703f 100644
--- a/build/allowed_deps.txt
+++ b/build/allowed_deps.txt
@@ -500,6 +500,8 @@
 networkstack-client(minSdkVersion:29)
 NetworkStackApi29Shims(minSdkVersion:29)
 NetworkStackApi30Shims(minSdkVersion:29)
+NetworkStackApi31Shims(minSdkVersion:29)
+NetworkStackApiCurrentShims(minSdkVersion:29)
 NetworkStackApiStableLib(minSdkVersion:29)
 NetworkStackApiStableShims(minSdkVersion:29)
 networkstackprotos(minSdkVersion:29)