S74386: Patch to allow lambda expressions in entity classes.

List of SHAs that consitute this patch in order (from eclipselink.runtime master branch):

cd88de95cbc4043da30ed441dee88932dbb18ccf
1ba20036cd43ca2ab80a74f6c14a78d7a98b7db2
9cfd226f814f5cf576f8a0460f867c8fa4c8e66e
e4dbfaa078db57cbbd1d959a0ca5aae5f037701b
56f83458be28b1ac0ead793051167d5fb0137cd7
eeeea93cec5526fdf11861593a9634c28f03c8fe
138a48cf1589148e53632c1524b8f37192bed09d
4567e7e5228ba1dfb851167f80d9ec577c594d39q