Fix VB 1.0 failure due to openssl output format change

Openssl changed output format, the 'keyid:' prefix is removed, hence old
regex is unable to extract key id.

Bug: 262902909
Change-Id: Iea5b6fffed7c27855d87e35292f07a56686e4197
Merged-In: I446a0b16e482c43542a1c0e41b24e80eb9fbc8e6
Merged-In: Iea5b6fffed7c27855d87e35292f07a56686e4197
(cherry picked from commit b7d70a2cb114ecbe9c931d59d852f5ada771ab52)
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index 837eaf9..09d0b10 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -1032,7 +1032,7 @@
     keyid, stderr = p.communicate()
     assert p.returncode == 0, "Failed to dump certificate: {}".format(stderr)
     keyid = re.search(
-        r'keyid:([0-9a-fA-F:]*)', keyid).group(1).replace(':', '').lower()
+            r'Authority Key Identifier:\s*(?:keyid:)?([0-9a-fA-F:]*)', keyid).group(1).replace(':', '').lower()
     print("Replacing verity keyid with {}".format(keyid))
     out_buffer.append("veritykeyid=id:%s" % (keyid,))