DO NOT MERGE: Add PGO profiles for hwbinder

To enable PGO for hwbinder, hwbinder.profdata is collected using
instrumented build of libhwbinder.so, and running test of
libhwbinder_benchmark.

Bug: http://b/77597460
Test: Built libhwbinder with PGO and ran test successfully.
Change-Id: I3e46877bc0867fbdd64e76841254c0ef207b0310
diff --git a/hwbinder/OWNERS b/hwbinder/OWNERS
new file mode 100644
index 0000000..ae43470
--- /dev/null
+++ b/hwbinder/OWNERS
@@ -0,0 +1,2 @@
+# Owners of hwbinder PGO profiles
+tkjos@google.com
diff --git a/hwbinder/hwbinder.profdata.2018-03-20 b/hwbinder/hwbinder.profdata.2018-03-20
new file mode 100644
index 0000000..146dd53
--- /dev/null
+++ b/hwbinder/hwbinder.profdata.2018-03-20
Binary files differ