releasetools: Update the fingerprint when signing.

ro.bootimage.build.fingerprint should be updated when signing.

Bug: 22720426
Bug: 24009888
Change-Id: Ib246a257581fd31f90ad6b3d21f39d1a2de24ba8
(cherry picked from commit 265d9aeb622c5829787b16b903f028cacaa99c18)
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index e98eb8f..cbf78a1 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -208,11 +208,13 @@
         common.ZipWriteStr(output_tf_zip, out_info, data)
     elif info.filename in ("SYSTEM/build.prop",
                            "VENDOR/build.prop",
+                           "BOOT/RAMDISK/default.prop",
                            "RECOVERY/RAMDISK/default.prop"):
       print "rewriting %s:" % (info.filename,)
       new_data = RewriteProps(data, misc_info)
       common.ZipWriteStr(output_tf_zip, out_info, new_data)
-      if info.filename == "RECOVERY/RAMDISK/default.prop":
+      if info.filename in ("BOOT/RAMDISK/default.prop",
+                           "RECOVERY/RAMDISK/default.prop"):
         write_to_temp(info.filename, info.external_attr, new_data)
     elif info.filename.endswith("mac_permissions.xml"):
       print "rewriting %s with new keys." % (info.filename,)
@@ -317,6 +319,10 @@
         pieces = value.split("/")
         pieces[-1] = EditTags(pieces[-1])
         value = "/".join(pieces)
+      elif key == "ro.bootimage.build.fingerprint":
+        pieces = value.split("/")
+        pieces[-1] = EditTags(pieces[-1])
+        value = "/".join(pieces)
       elif key == "ro.build.description":
         pieces = value.split(" ")
         assert len(pieces) == 5