DodoApp: Run commands using `/bin/sh -c ...`

Change-Id: I58b4943c7819649f7589dfc7f9488e6abaf6f65c
diff --git a/apps/app-runner/server.go b/apps/app-runner/server.go
index 8c3d9bf..6a98e3a 100644
--- a/apps/app-runner/server.go
+++ b/apps/app-runner/server.go
@@ -9,6 +9,7 @@
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strings"
 	"sync"
 	"syscall"
 	"time"
@@ -106,8 +107,8 @@
 		args = append(args, c.Args...)
 		cmd := &exec.Cmd{
 			Dir:    filepath.Join(newDir, s.rootDir),
-			Path:   c.Bin,
-			Args:   args,
+			Path:   "/bin/sh",
+			Args:   []string{"/bin/sh", "-c", strings.Join(args, " ")},
 			Env:    append(os.Environ(), c.Env...),
 			Stdout: logM,
 			Stderr: logM,