Update path before pushing to board

Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
Change-Id: I1cdbe17bdbfa48bc0e35a14eb642d494291f0013
diff --git a/scripts/build_android_ndk_guide.sh b/scripts/build_android_ndk_guide.sh
index ce2e273..22f4307 100755
--- a/scripts/build_android_ndk_guide.sh
+++ b/scripts/build_android_ndk_guide.sh
@@ -357,7 +357,7 @@
 
 # push sources to board
 function PushBuildSourcesToBoard {
-    echo "+++ Removing files and symbolic links from previous runs"
+    cd $WORKING_DIR/armnn/build
     adb start-server
     adb shell rm -rf /data/local/tmp/*
     echo "+++ Pushing sources to board"