Add OwaspJavaEncoderTestCases and TEST_MAPPING am: d86fa4e886 am: b21fbade4c

Original change: https://android-review.googlesource.com/c/platform/external/owasp/java-encoder/+/2486396

Change-Id: I752655622c6fda0f4c204ab780aef37c14766b80
Signed-off-by: Automerger Merge Worker <[email protected]>