Add functionality to attach tc-police action to ingress qdisc

This is used for go/bandwidth-limiting.

Bug: 157552970
Test: atest LibTcUtilsTest
Change-Id: Ic8e4d8dc016b14a6d4fc8ddbb3949941e9ef95af
diff --git a/staticlibs/native/tcutils/include/tcutils/tcutils.h b/staticlibs/native/tcutils/include/tcutils/tcutils.h
index 0dbde34..a8ec2e8 100644
--- a/staticlibs/native/tcutils/include/tcutils/tcutils.h
+++ b/staticlibs/native/tcutils/include/tcutils/tcutils.h
@@ -39,6 +39,9 @@
 
 int tcAddBpfFilter(int ifIndex, bool ingress, uint16_t prio, uint16_t proto,
                    const char *bpfProgPath);
+int tcAddIngressPoliceFilter(int ifIndex, uint16_t prio, uint16_t proto,
+                             unsigned rateInBytesPerSec,
+                             const char *bpfProgPath);
 int tcDeleteFilter(int ifIndex, bool ingress, uint16_t prio, uint16_t proto);
 
 } // namespace android