Bump Security String to 2020-10-05

Implemented:
============
None

Previously Implemented:
=======================
CVE:            References:  Type:  Severity:  Updated AOSP versions:
CVE-2020-0213   A-143464314  ID     High       10, 11
CVE-2020-0215   A-140417248  EoP    High       8.0, 8.1, 9, 10, 11
CVE-2020-0246   A-159062405  ID     High       10, 11
CVE-2020-0377   A-158833854  ID     High       8.0, 8.1, 9, 10, 11
CVE-2020-0378   A-157748906  ID     High       9, 10, 11
CVE-2020-0398   A-154323381  ID     High       10, 11
CVE-2020-0400   A-153356561  ID     High       10, 11
CVE-2020-0408   A-156999009  EoP    High       8.0, 8.1, 9, 10, 11
CVE-2020-0410   A-156021269  ID     High       8.0, 8.1, 9, 10, 11
CVE-2020-0411   A-142641801  ID     High       10, 11
CVE-2020-0412   A-160390416  ID     High       8.0, 8.1, 9, 10, 11
CVE-2020-0413   A-158778659  ID     High       8.0, 8.1, 9, 10, 11
CVE-2020-0414   A-157708122  ID     High       10, 11
CVE-2020-0415   A-156020795  ID     High       8.0, 8.1, 9, 10, 11
CVE-2020-0416   A-155288585  EoP    High       8.0, 8.1, 9, 10, 11
CVE-2020-0419   A-142125338  ID     High       8.1, 9, 10, 11
CVE-2020-0421   A-161894517  EoP    High       8.0, 8.1, 9, 10, 11
CVE-2020-0422   A-161718556  ID     High       8.0, 8.1, 9, 10, 11

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

Not Applicable (platform source):
=================================
CVE:            References:  Type:  Severity:  Updated AOSP versions:
CVE-2019-2194   A-137284057  EoP    Moderate   9
CVE-2020-0420   A-162383705  EoP    High       11

Change-Id: I9066a7939d1ae32dcb0478766192709cfa2126aa