Adding OldCharsetEncoderDecoderBufferTest.java to build
Adding OldCharsetEncoderDecoderBufferTest.java to build

mirego/j2objc,lukhnos/j2objc,groschovskiy/j2objc,mirego/j2objc,google/j2objc,groschovskiy/j2objc,mirego/j2objc,google/j2objc,google/j2objc,groschovskiy/j2objc,google/j2objc,groschovskiy/j2objc,lukhnos/j2objc,mirego/j2objc,google/j2objc,lukhnos/j2objc,groschovskiy/j2objc,google/j2objc,lukhnos/j2objc,groschovskiy/j2objc,lukhnos/j2objc,mirego/j2objc,lukhnos/j2objc,mirego/j2objc