Decrease size of system partition
This will not affect device that have bigger partitions and will
allow to flash system.img to phones with smaller system size.
diff --git a/phhgsi_arm64_a/BoardConfig.mk b/phhgsi_arm64_a/BoardConfig.mk
index e2d7ee3..2cd43c5 100644
--- a/phhgsi_arm64_a/BoardConfig.mk
+++ b/phhgsi_arm64_a/BoardConfig.mk
@@ -1,5 +1,5 @@
include build/make/target/board/generic_arm64_a/BoardConfig.mk
-BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1610612736
TARGET_SYSTEM_PROP := device/phh/treble/system.prop $(TARGET_SYSTEM_PROP)
BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth