Fix {docRoot}/java.base/ and {docRoot}/../specs/ links in javadoc

Bug: 266577476
Test: manually inspect links in java.util.Map, java.security.Security
      and java.security.KeyPairGenerator
Test: build fails showing the {@docRoot} lines if "{@docRoot}/../" still exists after pre-processing
Change-Id: I6b36f48f095201ddd0557393f0e6b01f69bd41b0
1 file changed