Revert "Clean environment variables to account for sandbox work directory."

This reverts commit 0af8ea14fc.

Reason for revert: <Droidmonitor created revert due to b/363848580. Will be verifying through ABTD before submission.>

Change-Id: Iafba28897ad27df67ef8ae8904454196c482216d

ui/build/path.go

@@ -57,22 +57,6 @@ func parsePathDir(dir string) []string {
 	return ret
 }
 
-func updatePathForSandbox(config Config) {
-	wd, err := os.Getwd()
-	if err != nil {
-		return
-	}
-
-	var newPath []string
-	if path, ok := config.Environment().Get("PATH"); ok && path != "" {
-		entries := strings.Split(path, string(filepath.ListSeparator))
-		for _, ent := range entries {
-			newPath = append(newPath, config.sandboxPath(wd, ent))
-		}
-	}
-	config.Environment().Set("PATH", strings.Join(newPath, string(filepath.ListSeparator)))
-}
-
 // SetupLitePath is the "lite" version of SetupPath used for dumpvars, or other
 // places that does not need the full logging capabilities of path_interposer,
 // wants the minimal performance overhead, and still get the benefits of $PATH
@@ -137,7 +121,6 @@ func SetupLitePath(ctx Context, config Config, tmpDir string) {
 	// Set $PATH to be the directories containing the host tool symlinks, and
 	// the prebuilts directory for the current host OS.
 	config.Environment().Set("PATH", myPath)
-	updatePathForSandbox(config)
 	config.pathReplaced = true
 }
 
@@ -282,6 +265,5 @@ func SetupPath(ctx Context, config Config) {
 	// Replace the $PATH variable with the path_interposer symlinks, and
 	// checked-in prebuilts.
 	config.Environment().Set("PATH", myPath)
-	updatePathForSandbox(config)
 	config.pathReplaced = true
 }