Bump Security String to 2024-04-05

Implemented:
============
CVE:            References:    Type:  Severity:  Updated AOSP versions:
CVE-2023-21267  A-218495634    ID     High       12, 12L, 13, 14
CVE-2024-23712  A-304983146    DoS    High       12, 12L, 13, 14
CVE-2024-23713  A-305926929    EoP    High       12, 12L, 13, 14

Previously Implemented:
=======================
CVE:            References:    Type:  Severity:  Updated AOSP versions:  Prior Change:
CVE-2024-0026   A-308414141    DoS    High       12, 12L, 13, 14         954039631283
CVE-2024-0027   A-307948424    DoS    High       12, 12L, 13, 14         954039631283

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

Not Applicable (platform source):
=================================
CVE:            References:    Type:  Severity:  Updated AOSP versions:
CVE-2024-0022   A-298635078    ID     High       13, 14
CVE-2024-23704  A-299931761    EoP    High       13, 14
CVE-2024-23710  A-311374917    EoP    High       13, 14

Change-Id: I9970ef1ac419e9cc84e051a9266a91dbaefcfa84