run-tests: make sure not to include the bad APKs in tests/

These APKs are meant for specific tests, not the tests that want just a
collection of good APKs.

tests/run-tests

@@ -10,7 +10,7 @@ echo_header() {
 
 copy_apks_into_repo() {
     set +x
-    for f in `find $APKDIR -name '*.apk' | grep -F -v -e unaligned -e unsigned`; do
+    for f in `find $APKDIR -name '*.apk' | grep -F -v -e unaligned -e unsigned -e badsig -e badcert`; do
         name=$(basename $(dirname `dirname $f`))
         apk=`$aapt dump badging "$f" | sed -n "s,^package: name='\(.*\)' versionCode='\([0-9][0-9]*\)' .*,\1_\2.apk,p"`
         test $f -nt repo/$apk && rm -f repo/$apk  # delete existing if $f is newer