switch over to use new storage read api instead of
server_configurable_flags, this new read api lib will be needed for new
codegened aconfig flag lib.

Bug: 321077378
Test m and avd

Change-Id: Id584611f09be36251822f6bb792e0d1880a487c1
diff --git a/libraries/flag-helpers/libflagtest/Android.bp b/libraries/flag-helpers/libflagtest/Android.bp
index 13561c9..722da2f 100644
--- a/libraries/flag-helpers/libflagtest/Android.bp
+++ b/libraries/flag-helpers/libflagtest/Android.bp
@@ -92,6 +92,7 @@
     shared_libs: [
         "libbase",
         "server_configurable_flags",
+        "libaconfig_storage_read_api_cc",
     ],
     test_suites: ["device-tests"],
 }