Update deletion conditions for a package's UsageStats.

If a profile owner is defined for a specific user, do not delete usage
stats for a package on package deletion.

Bug: 197399948
Test: atest  UsageStatsTest [all]
Change-Id: I94a8e3dfca8ef4c7616f77944d61726e06043b85
Merged-In: I94a8e3dfca8ef4c7616f77944d61726e06043b85
(cherry picked from commit d95ce6779da8410c5835385cb5785fb5b3a51d83)
Merged-In:I94a8e3dfca8ef4c7616f77944d61726e06043b85
4 files changed