Revert "cm: Revert the new boot animation generation process"

This reverts commit e2ec4c6051114596f616fa2cb203502881669287.

* New build server(s) will be able to support this

Change-Id: I990297e6db7aa6076199bb6344328e704b1d4ebe
diff --git a/bootanimation/Android.mk b/bootanimation/Android.mk
new file mode 100644
index 0000000..f7ba13b
--- /dev/null
+++ b/bootanimation/Android.mk
@@ -0,0 +1,52 @@
+#
+# Copyright (C) 2016 The CyanogenMod Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+define build-bootanimation
+    sh vendor/cm/bootanimation/generate-bootanimation.sh \
+    $(TARGET_SCREEN_WIDTH) \
+    $(TARGET_SCREEN_HEIGHT) \
+    $(TARGET_BOOTANIMATION_HALF_RES)
+endef
+
+TARGET_GENERATED_BOOTANIMATION := $(TARGET_OUT_INTERMEDIATES)/BOOTANIMATION/bootanimation.zip
+$(TARGET_GENERATED_BOOTANIMATION):
+	@echo "Building bootanimation"
+	$(build-bootanimation)
+
+ifeq ($(TARGET_BOOTANIMATION),)
+    TARGET_BOOTANIMATION := $(TARGET_GENERATED_BOOTANIMATION)
+    ifeq ($(shell command -v convert),)
+        $(info **********************************************)
+        $(info The boot animation could not be generated as)
+        $(info ImageMagick is not installed in your system.)
+        $(info $(space))
+        $(info Please install ImageMagick from this website:)
+        $(info https://imagemagick.org/script/binary-releases.php)
+        $(info **********************************************)
+        $(error stop)
+    endif
+endif
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := bootanimation.zip
+LOCAL_MODULE_CLASS := ETC
+LOCAL_MODULE_PATH := $(TARGET_OUT)/media
+
+include $(BUILD_SYSTEM)/base_rules.mk
+
+$(LOCAL_BUILT_MODULE): $(TARGET_BOOTANIMATION)
+	@mkdir -p $(dir $@)
+	@cp $(TARGET_BOOTANIMATION) $@