Revert "Remove old-style support for translated second architectures"

This reverts commit fe6330c7d2d6102a0436da2892e71e3b490ac15c.

Reason for revert: this was accidentally propping up NDK builds
Bug: 141242600
Change-Id: Ie9f8e31479a74e8e9e14d720a5936da6b1d5d113
diff --git a/cc/installer.go b/cc/installer.go
index 96a1138..a52ccf1 100644
--- a/cc/installer.go
+++ b/cc/installer.go
@@ -66,6 +66,9 @@
 	if ctx.toolchain().Is64Bit() && installer.dir64 != "" {
 		dir = installer.dir64
 	}
+	if !ctx.Host() && !ctx.Arch().Native {
+		dir = filepath.Join(dir, ctx.Arch().ArchType.String())
+	}
 	if ctx.Target().NativeBridge == android.NativeBridgeEnabled {
 		dir = filepath.Join(dir, ctx.Target().NativeBridgeRelativePath)
 	}