rust: Make dylib-std the canonical rlib form

This removes the dylib-std suffix from rlib variants which link against
libstd dynamically. This is by far the common case.

This fixes an issue where 'm <rust_library_rlib>' would fail since Make
would expect the suffix to be included (e.g. 'm libfoo.dylib-std').

Bug: 173312517
Bug: 268086496
Test: m <rust_library_rlib> # without a suffix
Change-Id: I1e5778c57468302a8d672d5eb540047d8bb79314
diff --git a/rust/library_test.go b/rust/library_test.go
index d4b525f..add7173 100644
--- a/rust/library_test.go
+++ b/rust/library_test.go
@@ -247,10 +247,10 @@
 		if !android.InList("libbar", dyn.Module().(*Module).Properties.AndroidMkDylibs) {
 			t.Errorf("libbar not present as dynamic dependency in dynamic lib")
 		}
-		if android.InList("libbar.dylib-std", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
+		if android.InList("libbar", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
 			t.Errorf("libbar present as rlib dependency in dynamic lib")
 		}
-		if !android.InList("librlib_only.dylib-std", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
+		if !android.InList("librlib_only", dyn.Module().(*Module).Properties.AndroidMkRlibs) {
 			t.Errorf("librlib_only should be selected by rustlibs as an rlib.")
 		}
 	}