Make change and version bump to PPRL.190105.001

Change-Id: Id79e037f244d735dbbe8d70f0840ae294ec87fb4
diff --git a/core/build_id.mk b/core/build_id.mk
index 932e214..218c06e 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=PI
+export BUILD_ID=PPRL.190105.001