configstore: import configstore-utils as a header library

The android.hardware.configstore-utils library is no more built as a
static library but as a header only library.

This change applies this in building SurfaceFlinger.

Design doc: go/design-confighal
Bug: 35397068
Test: build, run on sailfish

Change-Id: I7d7abf3c87861bf7daa293af4e9d6841f854711e
diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 24c68ec..afaccd2 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -131,9 +131,11 @@
 
 LOCAL_CFLAGS += -fvisibility=hidden -Werror=format
 
+LOCAL_HEADER_LIBRARIES := \
+    android.hardware.configstore-utils
+
 LOCAL_STATIC_LIBRARIES := \
     libhwcomposer-command-buffer \
-    android.hardware.configstore-utils \
     libtrace_proto \
     libvkjson \
     libvr_manager \