Honor TARGET_NO_RECOVERY flag.

Don't generate recovery.img when calling 'make dist' if
TARGET_NO_RECOVERY is set. The build system passes the flag to the
packaging script which then generates recovery.img conditionally.

Bug: 25329471
Change-Id: Ifbc999300d5c31e897878f81e231ae7dd2aca660
diff --git a/core/Makefile b/core/Makefile
index db568d0..d94318d 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1485,6 +1485,7 @@
 	@echo "Package target files: $@"
 	$(hide) rm -rf $@ $(zip_root)
 	$(hide) mkdir -p $(dir $@) $(zip_root)
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
 	@# Components of the recovery image
 	$(hide) mkdir -p $(zip_root)/RECOVERY
 	$(hide) $(call package_files-copy-root, \
@@ -1505,6 +1506,7 @@
 ifdef BOARD_KERNEL_PAGESIZE
 	$(hide) echo "$(BOARD_KERNEL_PAGESIZE)" > $(zip_root)/RECOVERY/pagesize
 endif
+endif
 	@# Components of the boot image
 	$(hide) mkdir -p $(zip_root)/BOOT
 ifeq ($(BOARD_BUILD_SYSTEM_ROOT_IMAGE),true)
@@ -1567,6 +1569,9 @@
 ifdef BOARD_BOOTIMAGE_PARTITION_SIZE
 	$(hide) echo "boot_size=$(BOARD_BOOTIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
+ifeq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
+	$(hide) echo "no_recovery=true" >> $(zip_root)/META/misc_info.txt
+endif
 ifdef BOARD_RECOVERYIMAGE_PARTITION_SIZE
 	$(hide) echo "recovery_size=$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
@@ -1631,7 +1636,9 @@
 else
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="BOOT/RAMDISK/" } /^BOOT\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/boot_filesystem_config.txt
 endif
+ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
 	$(hide) zipinfo -1 $@ | awk 'BEGIN { FS="RECOVERY/RAMDISK/" } /^RECOVERY\/RAMDISK\// {print $$2}' | $(HOST_OUT_EXECUTABLES)/fs_config -C -D $(TARGET_OUT) -S $(SELINUX_FC) > $(zip_root)/META/recovery_filesystem_config.txt
+endif
 	$(hide) (cd $(zip_root) && zip -q ../$(notdir $@) META/*filesystem_config.txt)
 	$(hide) PATH=$(foreach p,$(INTERNAL_USERIMAGES_BINARY_PATHS),$(p):)$$PATH MKBOOTIMG=$(MKBOOTIMG) \
 	    ./build/tools/releasetools/add_img_to_target_files -v -p $(HOST_OUT) $@