Manually update makefile for vndk-sp hidl libs.

vndk-sp is not automatically tagged by hidl-gen.
For vndk-sp libs, "support_system_process: true" is manually added
in "vndk" property.

Bug: 63866913
Test: build and boot with BOARD_VNDK_VERSION=current
Merged-In: I2b18d691411e58dc55bcdfa39ecb3659242c8437
Change-Id: I2b18d691411e58dc55bcdfa39ecb3659242c8437
(cherry picked from commit f2bd6c12)