Add a missing expectation for ASCIICharsetEncoderTest.

Bug: 10837242
Bug: 10729779
Change-Id: I014f8646b8782973c13a3a327b4fba8b90e8d0cb
Fix Java 7 build.

See http://bugs.sun.com/view_bug.do?bug_id=6904536
Bug: 8992787

(cherry-picked from a9a297845620cfe56bbe3b9f8de1331b7ec54574)

Change-Id: I14ff930b02914563493fbcd971f3393fa0c12105

Conflicts:
	luni/src/main/java/java/lang/Enum.java
luni: fix build with Java 8

Change-Id: I37f56d656553ea46faaad27b0d735afe39f23a78