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

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

Change-Id: I48a7df5ae5a7339e32dfe844cff90ab5bd31c7c5
Signed-off-by: Automerger Merge Worker <[email protected]>