Bump Security String to 2020-03-05

Implemented:
============
CVE:            References:  Type:  Severity:  Updated AOSP versions:
CVE-2020-0032   A-145364230  RCE    Critical   8.0, 8.1, 9, 10
CVE-2020-0033   A-144351324  EoP    High       8.0, 8.1, 9, 10
CVE-2020-0034   A-62458770   ID     High       8.0, 8.1
CVE-2020-0035   A-140622024  ID     High       8.0, 8.1, 9
CVE-2020-0036   A-144679405  EoP    High       8.0, 8.1, 9, 10
CVE-2020-0037   A-143106535  ID     High       8.0, 8.1, 9, 10
CVE-2020-0038   A-143109193  ID     High       8.0, 8.1, 9, 10
CVE-2020-0039   A-143155861  ID     High       8.0, 8.1, 9, 10

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

Not Applicable (platform source):
=================================
CVE:            References:  Type:  Severity:  Updated AOSP versions:
CVE-2019-2194   A-137284057  EoP    High       9
CVE-2020-0029   A-140065828  ID     High       10
CVE-2020-0031   A-141703197  ID     High       10

Change-Id: Ic5b1b7ebe27dd95129aebf6add9acea6617cdf81