Added PRODUCT_BUILD_PROP_OVERRIDES
Remove recovery.img of otapackage
Delete the sound settings of the default
Change to English the date and time
Remove BUILD_KEYS from BUILD_DISPLAY_ID
Create script to generate a vendor buildinfo
Change the method of generating BUILD_NUMBER

combination of date and time
Backport check-product-copy-files
Remove PRODUCT_PROPERTY_OVERRIDES from core_base.mk