Initial import of owasp-java-encoder from upstream main am: 3566f56059 am: 6899028edc am: 121cf10279

Original change: https://android-review.googlesource.com/c/platform/external/owasp/java-encoder/+/2486318

Change-Id: Ifba07bd54720ad291b895c2b92d315983667e529
Signed-off-by: Automerger Merge Worker <[email protected]>