Add binder call tetherOffloadSetInterfaceQuota

Provide binder calls for setting the limit for the given upstream
interface.

Bug: 150736748
Test: atest
Change-Id: I5def133022ee0ae232972c9ccffccd041b4b47a6
Merged-In: I5def133022ee0ae232972c9ccffccd041b4b47a6
diff --git a/server/NetdNativeService.h b/server/NetdNativeService.h
index f9979d3..f019b1f 100644
--- a/server/NetdNativeService.h
+++ b/server/NetdNativeService.h
@@ -141,6 +141,7 @@
     binder::Status tetherOffloadRuleAdd(const android::net::TetherOffloadRuleParcel& rule) override;
     binder::Status tetherOffloadRuleRemove(
             const android::net::TetherOffloadRuleParcel& rule) override;
+    binder::Status tetherOffloadSetInterfaceQuota(int ifIndex, int64_t quotaBytes) override;
 
     // Interface-related commands.
     binder::Status interfaceAddAddress(const std::string &ifName,