Bump Security String to 2022-05-05

Implemented:
============
CVE:            References:    Type:  Severity:  Updated AOSP versions:
CVE-2022-20004  A-179699767    EoP    High       10, 11, 12, 12L
CVE-2022-20005  A-219044664    EoP    High       10, 11, 12, 12L
CVE-2022-20007  A-211481342    EoP    High       10, 11, 12, 12L
CVE-2022-20011  A-214999128    ID     High       10, 11, 12, 12L
CVE-2022-20112  A-206987762    DoS    High       10, 11, 12, 12L
CVE-2022-20114  A-211114016    EoP    High       10, 11, 12, 12L

Previously Implemented:
=======================
CVE:            References:    Type:  Severity:  Updated AOSP versions:  Prior Change:
CVE-2021-39700  A-201645790    ID     Moderate   10, 11, 12              cc923addd

Not Implemented:
================
None

Not Applicable (platform source):
=================================
CVE:            References:    Type:  Severity:  Updated AOSP versions:
CVE-2021-39662  A-197302116    EoP    High       11, 12
CVE-2021-39670  A-204087139    DoS    High       12, 12L
CVE-2022-20010  A-213519176    ID     High       12, 12L
CVE-2022-20113  A-205996517    EoP    High       12, 12L
CVE-2022-20115  A-210118427    ID     High       12, 12L
CVE-2022-20116  A-212467440    EoP    High       12, 12L

Change-Id: Ibefa54e36190933796687b96255ce5b27e7d445f