update bp2build tests for cc_yasm + add to CI

This test got missed in the change to export the bp2build testing
functionality because it wasn't listed in the Android.bp file to be run
as tests in CI.

Test: go test ./bp2build
Change-Id: Ic8f16bb0d5d75084592caa4ea3018384c1c7a30c
diff --git a/bp2build/Android.bp b/bp2build/Android.bp
index 07557d6..5b51209 100644
--- a/bp2build/Android.bp
+++ b/bp2build/Android.bp
@@ -49,6 +49,7 @@
         "cc_prebuilt_library_conversion_test.go",
         "cc_prebuilt_library_shared_test.go",
         "cc_prebuilt_library_static_test.go",
+        "cc_yasm_conversion_test.go",
         "conversion_test.go",
         "filegroup_conversion_test.go",
         "genrule_conversion_test.go",