Retry the dir deletion if can't rename.

Previously we would give up.

Bug: 226580398
Fixes: 226580398
Test: atest installd_service_test installd_cache_test installd_utils_test installd_dexopt_test installd_otapreopt_test installd_file_test
Change-Id: I791116f52397b24747bc7cbb1f94c696d0b832c1