sanders: Tree cleanup

*Move telephony-ext from BoardConfig.mk to device.mk.
*Remove tagGoogle
*Delete init.qcom/ril.sh
 -Unnecessary.
*Remove contexts from fstab.recovery
 -Needed after enforcing.
*Remove Android.bp libhidl.
*Update system.prop.

BoardConfig.mk

@@ -39,19 +39,12 @@ TARGET_ARCH_VARIANT := armv8-a
 TARGET_CPU_ABI := arm64-v8a
 TARGET_CPU_ABI2 :=
 TARGET_CPU_VARIANT := cortex-a53
-
 TARGET_2ND_ARCH := arm
 TARGET_2ND_ARCH_VARIANT := armv7-a-neon
 TARGET_2ND_CPU_ABI := armeabi-v7a
 TARGET_2ND_CPU_ABI2 := armeabi
 TARGET_2ND_CPU_VARIANT := cortex-a53
-
 TARGET_CPU_CORTEX_A53 := true
-
-# TARGET_PREFER_32_BIT := true
-# TARGET_SUPPORTS_32_BIT_APPS := true
-# TARGET_SUPPORTS_64_BIT_APPS := true
-# TARGET_BOARD_SUFFIX := _64
 TARGET_USES_64_BIT_BINDER := true
 
 # Asserts
@@ -81,9 +74,11 @@ TARGET_KERNEL_HEADER_ARCH := arm64
 TARGET_KERNEL_CONFIG := sanders_defconfig
 TARGET_KERNEL_SOURCE := kernel/motorola/msm8953
 
+# ToolChain
 KERNEL_TOOLCHAIN := $(ANDROID_BUILD_TOP)/prebuilts/gcc/$(HOST_OS)-x86/aarch64/aarch64-linux-android-4.9/bin
 TARGET_KERNEL_CROSS_COMPILE_PREFIX := aarch64-linux-androidkernel-
 
+# SDCLANG
 TARGET_USE_SDCLANG := true
 
 # Audio
@@ -123,7 +118,6 @@ BOARD_HAVE_BLUETOOTH := true
 BOARD_HAVE_BLUETOOTH_QCOM := true
 
 # Camera
-# TARGET_CAMERASERVICE_CLOSES_NATIVE_HANDLES := true
 USE_DEVICE_SPECIFIC_CAMERA := true
 BOARD_QTI_CAMERA_32BIT_ONLY := true
 
@@ -139,7 +133,14 @@ TARGET_TAP_TO_WAKE_NODE := "/sys/android_touch/doubletap2wake"
 TARGET_HW_DISK_ENCRYPTION := true
 
 # Enable dexpreopt to speed boot time
-WITH_DEXPREOPT := true
+ifeq ($(HOST_OS),linux)
+   ifneq ($(TARGET_BUILD_VARIANT),eng)
+     ifeq ($(WITH_DEXPREOPT),)
+       WITH_DEXPREOPT := true
+       WITH_DEXPREOPT_BOOT_IMG_AND_SYSTEM_SERVER_ONLY := true
+     endif
+   endif
+endif
 
 # Display
 BOARD_USES_ADRENO := true
@@ -176,11 +177,7 @@ TARGET_PROVIDES_LIBLIGHT := true
 DEVICE_MANIFEST_FILE := $(DEVICE_PATH)/configs/manifest.xml
 DEVICE_MATRIX_FILE   := $(DEVICE_PATH)/configs/compatibility_matrix.xml
 
-# Media
-# TARGET_USES_MEDIA_EXTENSIONS := true
-
-PRODUCT_BOOT_JARS += telephony-ext
-
+# NFC
 NXP_CHIP_TYPE := PN551
 BOARD_NFC_HAL_SUFFIX := $(TARGET_BOARD_PLATFORM)
 
@@ -205,6 +202,7 @@ BOARD_HAS_NO_SELECT_BUTTON := true
 TARGET_RECOVERY_FSTAB := $(DEVICE_PATH)/rootdir/etc/fstab.recovery
 TARGET_USERIMAGES_USE_EXT4 := true
 TARGET_USERIMAGES_USE_F2FS := true
+LZMA_RAMDISK_TARGETS := recovery
 
 # Releasetools
 TARGET_RELEASETOOLS_EXTENSIONS := $(DEVICE_PATH)/releasetools
@@ -237,3 +235,5 @@ WIFI_DRIVER_FW_PATH_STA          := "sta"
 WIFI_DRIVER_FW_PATH_P2P          := "p2p"
 WPA_SUPPLICANT_VERSION           := VER_0_8_X
 
+# MISSING_DEPENDENCIES
+ALLOW_MISSING_DEPENDENCIES=true