Allow to statically link heapprofd into client.

This allows us to use heapprofd on standalone Linux and to sideload onto
older versions of Android.

Test: Profile heapprofd_static_client_example on Linux.

Bug: 160399441
Bug: 160400319

Change-Id: I63159a8ade3d7c1f7bfecb9536a2c3abaa78cbf6
diff --git a/Android.bp b/Android.bp
index 8708851..12507ee 100644
--- a/Android.bp
+++ b/Android.bp
@@ -254,6 +254,7 @@
     ":perfetto_src_profiling_memory_ring_buffer",
     ":perfetto_src_profiling_memory_scoped_spinlock",
     ":perfetto_src_profiling_memory_wire_protocol",
+    "src/profiling/memory/client_ext_android.cc",
   ],
   shared_libs: [
     "libbase",
@@ -6260,7 +6261,6 @@
   name: "perfetto_src_profiling_memory_client_ext",
   srcs: [
     "src/profiling/memory/client_ext.cc",
-    "src/profiling/memory/client_ext_android.cc",
   ],
 }