Make change and version bump to OPR4.170808.002

Change-Id: Ie242c5aed86bd35ee9f006797c4ca6d94d0061ac
diff --git a/core/build_id.mk b/core/build_id.mk
index fb543ab..8556647 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=OPR4.170808.001
+export BUILD_ID=OPR4.170808.002
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c4d926a..56a4f88 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -165,7 +165,7 @@
     #  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 := 2017-08-05
+      PLATFORM_SECURITY_PATCH := 2017-09-05
 endif
 
 ifndef PLATFORM_BASE_OS