omni: add hours and minutes to version string

can then build multiple builds a day and filter in gerrit
more precise

Change-Id: I058fbfa90a4d7086ca4a5562bfcc3a3a16711eca
diff --git a/config/version.mk b/config/version.mk
index edd71f6..c678eb7 100644
--- a/config/version.mk
+++ b/config/version.mk
@@ -19,9 +19,9 @@
     microg
 endif
 ifeq ($(ROM_BUILDTIME_UTC),y)
-    ROM_VERSION := $(PLATFORM_VERSION)-$(shell date -u +%Y%m%d)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
+    ROM_VERSION := $(PLATFORM_VERSION)-$(shell date -u +%Y%m%d%H%M)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
 else
-    ROM_VERSION := $(PLATFORM_VERSION)-$(shell date +%Y%m%d)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
+    ROM_VERSION := $(PLATFORM_VERSION)-$(shell date +%Y%m%d%H%M)-$(TARGET_PRODUCT_SHORT)-$(ROM_BUILDTYPE)
 endif
 
 ROM_BRANCH := android-13.0