Fix metrics/hostinfo_darwin.

Bug: b/376328967
Test: TH
Change-Id: I59d3f62c8fc98b72f14ddc8b0e63a60ec064d86c
diff --git a/ui/metrics/hostinfo_darwin.go b/ui/metrics/hostinfo_darwin.go
index 0403d31..6f35c7d 100644
--- a/ui/metrics/hostinfo_darwin.go
+++ b/ui/metrics/hostinfo_darwin.go
@@ -16,7 +16,9 @@
 // This file contain code to extract host information on linux from
 // /proc/cpuinfo and /proc/meminfo relevant to machine performance
 
-import ()
+import (
+	"android/soong/finder/fs"
+)
 
 func NewCpuInfo(fileSystem fs.FileSystem) (*CpuInfo, error) {
 	return &CpuInfo{}, nil