DO NOT MERGE. Bump CTS Versions.

Cts version to 5.0_r2
Cts Verifier version to 5.0_r2
BuildVersionTest expected VERSION_RELEASE. Add 5.0, 5.0.1 and 5.0.2.

Change-Id: I0f6e8689d1a07e457c3c7e9b9ff311a054182bd5
3 files changed