Add support for /odm partition

This CL is largely an adaptation of Change-Id
I5d229f6ac729ea6df9ff1f14cee2e28972cd9b4d

tools/vendor_buildinfo.sh is also renamed to tools/device_buildinfo.sh.
The caller then can invoke device_buildinfo.sh "vendor" | "odm" to
generate properties for vendor.img and odm.img, respectively.

It adds the following variables:

- BOARD_AVB_ODM_KEY_PATH
- BOARD_AVB_ODM_ALGORITHM
- BOARD_AVB_ODM_ROLLBACK_INDEX_LOCATION
- BOARD_ODMIMAGE_FILE_SYSTEM_TYPE
- BOARD_ODMIMAGE_EXTFS_INODE_COUNT
- BOARD_ODMIMAGE_EXTFS_RSV_PCT
- BOARD_ODMIMAGE_PARTITION_SIZE
- BOARD_ODMIMAGE_JOURNAL_SIZE
- BOARD_ODMIMAGE_SQUASHFS_BLOCK_SIZE
- BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR
- BOARD_ODMIMAGE_SQUASHFS_COMPRESSOR_OPT
- BOARD_ODMIMAGE_SQUASHFS_DISABLE_4K_ALIGN
- BOARD_PREBUILT_ODMIMAGE
- BOARD_USES_ODMIMAGE
- LOCAL_ODM_MODULE
- PRODUCT_ODM_BASE_FS_PATH
- PRODUCT_ODM_VERITY_PARTITION
- PRODUCT_ODM_PROPERTIES
- TARGET_COPY_OUT_ODM
- TARGET_OUT_ODM
- TARGET_OUT_ODM_*

Bug: 64195575
Test: boot a Taimen with existing images

Test: `make odmimage` with
      - BOARD_AVB_ENABLE := true
      - BOARD_ODMIMAGE_PARTITION_SIZE := 62914560
      - BOARD_ODMIMAGE_FILE_SYSTEM_TYPE := ext4
      - TARGET_COPY_OUT_ODM := odm
      - PRODUCT_ODM_PROPERTIES += odm.test.build=success

Test: `make odmimage` with
      - BOARD_ODMIMAGE_PARTITION_RESERVED_SIZE := 10485760
      - BOARD_ODMIMAGE_FILE_SYSTEM_TYPE := ext4
      - BOARD_AVB_ENABLE := true
      - TARGET_COPY_OUT_ODM := odm
      - PRODUCT_ODM_PROPERTIES += odm.test.build=success
      - PRODUCT_USE_DYNAMIC_PARTITION_SIZE := true

Change-Id: I4dea7b567ec49a766c7a4683decaf81c7e921d55

help.sh

@@ -42,6 +42,8 @@ Common goals are:
                             Stands for "Product, NO Dependencies"
     psnod                   Quickly rebuild the product-services image from built packages
                             Stands for "ProductServices, NO Dependencies"
+    onod                    Quickly rebuild the odm image from built packages
+                            Stands for "ODM, NO Dependencies"
 
 
 So, for example, you could run: