Support multiple crtbegin and crtend dependencies

Musl libc with an embedded linker uses multiple crtbegin dependencies,
convert rust's CrtBegin and CrtEnd to lists.

Bug: 190084016
Test: m USE_HOST_MUSL=true host-native
Change-Id: Ie843801e87b1f38ace84502d9e4f938a92ec1fa2

rust/binary.go

@@ -95,11 +95,11 @@ func (binary *binaryDecorator) compilerDeps(ctx DepsContext, deps Deps) Deps {
 	if ctx.toolchain().Bionic() {
 		deps = bionicDeps(ctx, deps, Bool(binary.Properties.Static_executable))
 		if Bool(binary.Properties.Static_executable) {
-			deps.CrtBegin = "crtbegin_static"
+			deps.CrtBegin = []string{"crtbegin_static"}
 		} else {
-			deps.CrtBegin = "crtbegin_dynamic"
+			deps.CrtBegin = []string{"libc_musl_crtbegin_dynamic"}
 		}
-		deps.CrtEnd = "crtend_android"
+		deps.CrtEnd = []string{"libc_musl_crtend"}
 	}
 
 	return deps