Updating Security String to 2017-03-01 on nyc-dev

b/34345751

Change-Id: I55d9ba3f16264f9e4f9ad72e861527a3f8ae566c
(cherry picked from commit 003e5aad03b405c7aecc63339c2d7995ddcbaaa9)
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index ffd6148..0830b89 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -114,7 +114,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-      PLATFORM_SECURITY_PATCH := 2017-02-05
+      PLATFORM_SECURITY_PATCH := 2017-03-01
 endif
 
 ifeq "" "$(PLATFORM_BASE_OS)"