Update Security String to 2017-02-01 in lmp-dev

am: 19717dff7c

Change-Id: I3c8bdfed5a0f11b5965f596aee216ced8573a644

diff --combined core/version_defaults.mk
index f4a4553,15ba7e5..4bdf7c0
--- 1/core/version_defaults.mk
--- 2/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@@ -42,7 -42,7 +42,7 @@@ ifeq "" "$(PLATFORM_VERSION)
    # which is the version that we reveal to the end user.
    # Update this value when the platform version changes (rather
    # than overriding it somewhere else).  Can be an arbitrary string.
 -  PLATFORM_VERSION := 5.0.2
 +  PLATFORM_VERSION := 5.1.1
  endif
  
  ifeq "" "$(PLATFORM_SDK_VERSION)"
@@@ -54,7 -54,7 +54,7 @@@
    # intermediate builds).  During development, this number remains at the
    # SDK version the branch is based on and PLATFORM_VERSION_CODENAME holds
    # the code-name of the new development work.
 -  PLATFORM_SDK_VERSION := 21
 +  PLATFORM_SDK_VERSION := 22
  endif
  
  ifeq "" "$(PLATFORM_VERSION_CODENAME)"
@@@ -75,7 -75,7 +75,7 @@@ ifeq "" "$(PLATFORM_SECURITY_PATCH)
    # 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 := 2017-01-05
+   PLATFORM_SECURITY_PATCH := 2017-02-01
  endif
  
  ifeq "" "$(PLATFORM_BASE_OS)"