Fix adb_pull_if_needed

BUG=skia:
R=djsollen@google.com

Author: borenet@google.com

Review URL: https://codereview.chromium.org/519743002
diff --git a/platform_tools/android/bin/android_setup.sh b/platform_tools/android/bin/android_setup.sh
index 7aada8c..24d6dd9 100755
--- a/platform_tools/android/bin/android_setup.sh
+++ b/platform_tools/android/bin/android_setup.sh
@@ -193,12 +193,6 @@
   ANDROID_SRC="$1"
   HOST_DST="$2"
 
-  if [ -d $HOST_DST ];
-  then
-    HOST_DST="${HOST_DST}/$(basename ${ANDROID_SRC})"
-  fi
-
-
   if [ -f $HOST_DST ];
   then
     #get the MD5 for dst and src