Denylist reverse dependency of tradefed

aosp/2719934 lists tradefed as libs, causing bp2build failure as the
module is not converted to bazel. Thus, denylist the module to resolve
bp2build failure

Test: TH & ABTD
Bug: 297039097
Change-Id: I41f2673636a7564fd6fb75ae97b93613f9098365