Add OwaspJavaEncoderTestCases and TEST_MAPPING am: d86fa4e886 am: b21fbade4c am: 2c2c8105b6 am: aa8399f7c5

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

Change-Id: Iafe44d63b85675aab6133228aeb92daaa13f18f4
Signed-off-by: Automerger Merge Worker <[email protected]>