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

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

Change-Id: Icc31c68ef83f8f7cf232a48b8f358ad3d83295c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>