Add binder call tetherOffloadGetAndClearStats

Provide binder calls for getting tethering statistics and clear the
stats for the given upstream.

Bug: 150736748
Test: None
Change-Id: I7bb635ee39d658961cd9515cc37e23bc3f0cd38f
Merged-In: I7bb635ee39d658961cd9515cc37e23bc3f0cd38f
diff --git a/server/NetdNativeService.h b/server/NetdNativeService.h
index f019b1f..7b7f9b3 100644
--- a/server/NetdNativeService.h
+++ b/server/NetdNativeService.h
@@ -142,6 +142,8 @@
     binder::Status tetherOffloadRuleRemove(
             const android::net::TetherOffloadRuleParcel& rule) override;
     binder::Status tetherOffloadSetInterfaceQuota(int ifIndex, int64_t quotaBytes) override;
+    binder::Status tetherOffloadGetAndClearStats(
+            int ifIndex, android::net::TetherStatsParcel* tetherStats) override;
 
     // Interface-related commands.
     binder::Status interfaceAddAddress(const std::string &ifName,