Bump Security String to 2019-08-05

Implemented:
============
CVE:            References:     Type:   Severity:       Updated AOSP versions:
CVE-2019-2120   A-130821293     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2122   A-127605586     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2125   A-132275252     EoP     Moderate        7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2126   A-127702368     RCE     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2128   A-132647222     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2129   A-124781927     ID      High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2130   A-132073833     RCE     Critical        7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2131   A-119115683     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2132   A-130568701     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2133   A-132082342     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2134   A-132083376     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2135   A-125900276     ID      High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2136   A-132650049     ID      High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9
CVE-2019-2127   A-124899895     EoP     High            7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9

Not Implemented:
================
CVE:            References:     Type:   Severity:       Updated AOSP versions:
None

Not Applicable (platform source):
=================================
CVE:            References:     Type:   Severity:       Updated AOSP versions:
CVE-2019-2121   A-131105245     EoP     High            9
CVE-2019-2137   A-132438333     DoS     High            9

Change-Id: I8fa6361a9fcfe16073afc84aa1371709fc8b42e3