[tel_test_utils] Fix for tcpdump issue on oc security builds

Starting tcpdump fails on oc builds as there is tcpdump directory under
/sdcard/

Bug: 79438221
Test: Verified the changes on oc-mr1-dev
Change-Id: If3606d7a310853d5fe107820022ade0a689fab42
1 file changed
tree: c78ba7bd5508e166e08eda732cd8280e3e35fd54
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. PREUPLOAD.cfg