Enable size measurement for Rust binaries

Bug: 172339742
Test: m out/soong/binary_sizes.pb
Change-Id: Ibc9feaa1c806b888d8850303ab7eeaf5e5337e35

rust/Android.bp

@@ -8,6 +8,7 @@ bootstrap_go_package {
     deps: [
         "soong",
         "soong-android",
+        "soong-bloaty",
         "soong-cc",
         "soong-rust-config",
     ],

rust/builder.go

@@ -21,6 +21,7 @@ import (
 	"github.com/google/blueprint"
 
 	"android/soong/android"
+	"android/soong/bloaty"
 	"android/soong/rust/config"
 )
 
@@ -249,6 +250,8 @@ func transformSrctoCrate(ctx ModuleContext, main android.Path, deps PathDeps, fl
 		implicits = append(implicits, clippyFile)
 	}
 
+	bloaty.MeasureSizeForPath(ctx, outputFile)
+
 	ctx.Build(pctx, android.BuildParams{
 		Rule:            rustc,
 		Description:     "rustc " + main.Rel(),