Fix remaining diffs for init_boot and boot images

- Add missing $(cat ) around the fingerprint file
- Add partition size to init_boot
- Add avb keys and algorithms to boot partitions. I used to switch
  between the two modes in bootimg modules based on if a key was set,
  but now that we are setting a key here I added an explicit mode
  property.
- With all these, there are still diffs because avbtool.py introduces
  randomness for the salt. If you patch out the randomness locally
  the diffs come out clean.

Bug: 377562951
Bug: 377563630
Test: m soong_generated_boot_filesystem_test soong_generated_init_boot_filesystem_test
Change-Id: I448dfb431c240e8d06555fcc5d3e02660e8c2bfb
diff --git a/fsgen/boot_imgs.go b/fsgen/boot_imgs.go
index b651862..6647a9a 100644
--- a/fsgen/boot_imgs.go
+++ b/fsgen/boot_imgs.go
@@ -38,7 +38,8 @@
 
 	var partitionSize *int64
 	if partitionVariables.BoardBootimagePartitionSize != "" {
-		parsed, err := strconv.ParseInt(partitionVariables.BoardBootimagePartitionSize, 10, 64)
+		// Base of zero will allow base 10 or base 16 if starting with 0x
+		parsed, err := strconv.ParseInt(partitionVariables.BoardBootimagePartitionSize, 0, 64)
 		if err != nil {
 			panic(fmt.Sprintf("BOARD_BOOTIMAGE_PARTITION_SIZE must be an int, got %s", partitionVariables.BoardBootimagePartitionSize))
 		}
@@ -50,16 +51,22 @@
 		securityPatch = &partitionVariables.BootSecurityPatch
 	}
 
+	avbInfo := getAvbInfo(ctx.Config(), "boot")
+
 	bootImageName := generatedModuleNameForPartition(ctx.Config(), "boot")
 
 	ctx.CreateModule(
 		filesystem.BootimgFactory,
 		&filesystem.BootimgProperties{
-			Kernel_prebuilt: proptools.StringPtr(":" + kernelFilegroupName),
-			Header_version:  proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
-			Partition_size:  partitionSize,
-			Use_avb:         &partitionVariables.BoardAvbEnable,
-			Security_patch:  securityPatch,
+			Kernel_prebuilt:    proptools.StringPtr(":" + kernelFilegroupName),
+			Header_version:     proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
+			Partition_size:     partitionSize,
+			Use_avb:            avbInfo.avbEnable,
+			Avb_mode:           avbInfo.avbMode,
+			Avb_private_key:    avbInfo.avbkeyFilegroup,
+			Avb_rollback_index: avbInfo.avbRollbackIndex,
+			Avb_algorithm:      avbInfo.avbAlgorithm,
+			Security_patch:     securityPatch,
 		},
 		&struct {
 			Name *string
@@ -75,13 +82,19 @@
 
 	bootImageName := generatedModuleNameForPartition(ctx.Config(), "vendor_boot")
 
+	avbInfo := getAvbInfo(ctx.Config(), "vendor_boot")
+
 	ctx.CreateModule(
 		filesystem.BootimgFactory,
 		&filesystem.BootimgProperties{
-			Boot_image_type: proptools.StringPtr("vendor_boot"),
-			Ramdisk_module:  proptools.StringPtr(generatedModuleNameForPartition(ctx.Config(), "vendor_ramdisk")),
-			Header_version:  proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
-			Use_avb:         &partitionVariables.BoardAvbEnable,
+			Boot_image_type:    proptools.StringPtr("vendor_boot"),
+			Ramdisk_module:     proptools.StringPtr(generatedModuleNameForPartition(ctx.Config(), "vendor_ramdisk")),
+			Header_version:     proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
+			Use_avb:            avbInfo.avbEnable,
+			Avb_mode:           avbInfo.avbMode,
+			Avb_private_key:    avbInfo.avbkeyFilegroup,
+			Avb_rollback_index: avbInfo.avbRollbackIndex,
+			Avb_algorithm:      avbInfo.avbAlgorithm,
 		},
 		&struct {
 			Name *string
@@ -104,14 +117,31 @@
 		securityPatch = &partitionVariables.BootSecurityPatch
 	}
 
+	var partitionSize *int64
+	if partitionVariables.BoardInitBootimagePartitionSize != "" {
+		// Base of zero will allow base 10 or base 16 if starting with 0x
+		parsed, err := strconv.ParseInt(partitionVariables.BoardInitBootimagePartitionSize, 0, 64)
+		if err != nil {
+			panic(fmt.Sprintf("BOARD_INIT_BOOT_IMAGE_PARTITION_SIZE must be an int, got %s", partitionVariables.BoardInitBootimagePartitionSize))
+		}
+		partitionSize = &parsed
+	}
+
+	avbInfo := getAvbInfo(ctx.Config(), "init_boot")
+
 	ctx.CreateModule(
 		filesystem.BootimgFactory,
 		&filesystem.BootimgProperties{
-			Boot_image_type: proptools.StringPtr("init_boot"),
-			Ramdisk_module:  proptools.StringPtr(generatedModuleNameForPartition(ctx.Config(), "ramdisk")),
-			Header_version:  proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
-			Use_avb:         &partitionVariables.BoardAvbEnable,
-			Security_patch:  securityPatch,
+			Boot_image_type:    proptools.StringPtr("init_boot"),
+			Ramdisk_module:     proptools.StringPtr(generatedModuleNameForPartition(ctx.Config(), "ramdisk")),
+			Header_version:     proptools.StringPtr(partitionVariables.BoardBootHeaderVersion),
+			Security_patch:     securityPatch,
+			Partition_size:     partitionSize,
+			Use_avb:            avbInfo.avbEnable,
+			Avb_mode:           avbInfo.avbMode,
+			Avb_private_key:    avbInfo.avbkeyFilegroup,
+			Avb_rollback_index: avbInfo.avbRollbackIndex,
+			Avb_algorithm:      avbInfo.avbAlgorithm,
 		},
 		&struct {
 			Name *string