Use ANDROID_ROOT instead of assuming it is /system.

This is to allow testing without having 'sh', or having an
outdated 'sh' in /system.

Change-Id: I19f2844822cc282c4e7696d45fb5ccbe1a1710eb

1 files changed, 1 insertions, 1 deletions

diff --git a/luni/src/test/java/libcore/java/lang/ProcessBuilderTest.java b/luni/src/test/java/libcore/java/lang/ProcessBuilderTest.java
index 9766cef..51aed38 100644
--- a/luni/src/test/java/libcore/java/lang/ProcessBuilderTest.java
+++ b/luni/src/test/java/libcore/java/lang/ProcessBuilderTest.java
@@ -28,7 +28,7 @@ import static tests.support.Support_Exec.execAndCheckOutput;
 public class ProcessBuilderTest extends AbstractResourceLeakageDetectorTestCase {
 
     private static String shell() {
-        String deviceSh = "/system/bin/sh";
+        String deviceSh = System.getenv("ANDROID_ROOT") + "/bin/sh";
         String desktopSh = "/bin/sh";
         return new File(deviceSh).exists() ? deviceSh : desktopSh;
     }