zenfone6: device cleanup

Change-Id: Ic499184bd78a678fad971a79feac1ff2c58bf9dc
diff --git a/BoardConfig.mk b/BoardConfig.mk
index ce603ec..05d19a4 100755
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -47,7 +47,7 @@
 TARGET_NO_BOOTLOADER := true
 
 # A/B
-BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --set_hashtree_disabled_flag
+BOARD_AVB_ENABLE := true
 BOARD_AVB_MAKE_VBMETA_IMAGE_ARGS += --flags 2
 
 # ANT+
@@ -110,14 +110,12 @@
 BOARD_TAGS_OFFSET := 0x00000100
 TARGET_KERNEL_ARCH := arm64
 TARGET_KERNEL_HEADER_ARCH := arm64
-#TARGET_KERNEL_CROSS_COMPILE_PREFIX := aarch64-linux-android-
 BOARD_KERNEL_IMAGE_NAME := Image.gz-dtb
 TARGET_COMPILE_WITH_MSM_KERNEL := true
 TARGET_KERNEL_SOURCE := kernel/asus/sm8150
 TARGET_KERNEL_CONFIG := vendor/zs630kl_defconfig
 BOARD_KERNEL_SEPARATED_DTBO := true
 TARGET_KERNEL_CLANG_COMPILE := true
-TARGET_KERNEL_CLANG_VERSION := 7.0.2
 
 # Modules
 NEED_KERNEL_MODULE_SYSTEM := true
@@ -129,8 +127,6 @@
 TARGET_OTA_ASSERT_DEVICE := WW_I01WD
 
 # Partitions
-BOARD_AVB_ENABLE := true
-BOARD_AVB_ROLLBACK_INDEX := $(PLATFORM_SECURITY_PATCH_TIMESTAMP)
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
 BOARD_BOOTIMAGE_PARTITION_SIZE := 100663296
 BOARD_DTBOIMG_PARTITION_SIZE := 8388608
diff --git a/device.mk b/device.mk
index efa65fe..12d8b15 100755
--- a/device.mk
+++ b/device.mk
@@ -25,11 +25,6 @@
 # Enable updating of APEXes
 $(call inherit-product, $(SRC_TARGET_DIR)/product/updatable_apex.mk)
 
-#from build treble includes
-PRODUCT_COPY_FILES += \
-    system/core/rootdir/init.zygote64_32.rc:root/init.zygote64_32.rc \
-    system/core/rootdir/init.zygote32_64.rc:root/init.zygote32_64.rc
-
 # Overlays
 DEVICE_PACKAGE_OVERLAYS += \
     $(LOCAL_PATH)/overlay
@@ -57,9 +52,6 @@
 PRODUCT_SHIPPING_API_LEVEL := 28
 
 # audio
-PRODUCT_PACKAGES += \
-    audio.a2dp.default
-
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/audio/audio_policy_configuration.xml:system/etc/audio_policy_configuration.xml \
     $(LOCAL_PATH)/audio/audio_policy_volumes_ZS630KL.xml:system/etc/audio_policy_volumes_ZS630KL.xml
@@ -95,9 +87,6 @@
 PRODUCT_PACKAGES += \
     libtinyalsa
 
-PRODUCT_PACKAGES += \
-    ld.config.txt
-
 # Exclude vibrator from InputManager
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/configs/excluded-input-devices.xml:system/etc/excluded-input-devices.xml
@@ -145,7 +134,7 @@
     $(call find-copy-subdir-files,*,device/asus/zenfone6/prebuilt/system,system) \
     $(call find-copy-subdir-files,*,device/asus/zenfone6/prebuilt/root,root)
 
-PRODUCT_AAPT_CONFIG := xxhdpi
+PRODUCT_AAPT_CONFIG := normal
 PRODUCT_AAPT_PREF_CONFIG := xxhdpi
 
 # Properties
@@ -169,10 +158,6 @@
 PRODUCT_SOONG_NAMESPACES += \
     $(LOCAL_PATH)
 
-# SP-NDK:
-PRODUCT_PACKAGES += \
-    libvulkan
-
 # Telephony
 PRODUCT_PACKAGES += \
     ims-ext-common \