bp2build: arch-specific exclude_srcs and srcs.

OS-specific exclude_srcs and srcs will be done in a follow-up, due to
complexities from merging multiple select statements together.

Test: TH
Bug: 186153868
Change-Id: I01b881e9a5a7cd41b4a507f8be7e9e65eab37bdc
diff --git a/android/bazel.go b/android/bazel.go
index ba5ae31..4b18ad6 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -220,8 +220,7 @@
 	// Per-module denylist to opt modules out of mixed builds. Such modules will
 	// still be generated via bp2build.
 	mixedBuildsDisabledList = []string{
-		"libc_gdtoa",   // ruperts@, cc_library_static, OK for bp2build but undefined symbol: __strtorQ for mixed builds
-		"libc_openbsd", // ruperts@, cc_library_static, OK for bp2build but error: duplicate symbol: strcpy for mixed builds
+		"libc_gdtoa", // ruperts@, cc_library_static, OK for bp2build but undefined symbol: __strtorQ for mixed builds
 	}
 
 	// Used for quicker lookups