envsetup: Remove Busybox references

 * Toybox provides the necessary commands.

Change-Id: Ia65948a49cb9f7093a6d2b651f6a8a67e300ad6e
diff --git a/envsetup.sh b/envsetup.sh
index 5f0e9fe..38c92d2 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -739,10 +739,10 @@
             return 1
         fi
         adb start-server # Prevent unexpected starting server message from adb get-state in the next line
-        if [ $(adb get-state) != device -a $(adb shell busybox test -e /sbin/recovery 2> /dev/null; echo $?) != 0 ] ; then
+        if [ $(adb get-state) != device -a $(adb shell test -e /sbin/recovery 2> /dev/null; echo $?) != 0 ] ; then
             echo "No device is online. Waiting for one..."
             echo "Please connect USB and/or enable USB debugging"
-            until [ $(adb get-state) = device -o $(adb shell busybox test -e /sbin/recovery 2> /dev/null; echo $?) = 0 ];do
+            until [ $(adb get-state) = device -o $(adb shell test -e /sbin/recovery 2> /dev/null; echo $?) = 0 ];do
                 sleep 1
             done
             echo "Device Found.."
@@ -2172,10 +2172,10 @@
     shift
 
     adb start-server # Prevent unexpected starting server message from adb get-state in the next line
-    if [ $(adb get-state) != device -a $(adb shell busybox test -e /sbin/recovery 2> /dev/null; echo $?) != 0 ] ; then
+    if [ $(adb get-state) != device -a $(adb shell test -e /sbin/recovery 2> /dev/null; echo $?) != 0 ] ; then
         echo "No device is online. Waiting for one..."
         echo "Please connect USB and/or enable USB debugging"
-        until [ $(adb get-state) = device -o $(adb shell busybox test -e /sbin/recovery 2> /dev/null; echo $?) = 0 ];do
+        until [ $(adb get-state) = device -o $(adb shell test -e /sbin/recovery 2> /dev/null; echo $?) = 0 ];do
             sleep 1
         done
         echo "Device Found."