Fix checks for file deletion

The checks for file-deletion should wait for a while because the
cleanup(deleting unused data apexes) is performed on bootcomplete which
is the same event which the test waits for.

Bug: 409508137
Test: apex_compression_platform_tests apexd_host_tests
Change-Id: Idbfc6ed6ab45dfe1a77b0e30d310a2d58c8035d2
2 files changed