Revert "Pin messaging to use Jack with 1.7 language"

This reverts commit 445d7baabc65ffec355e47d0452bafa0f6804923.

Bug: 27333568
Bug: 27305482
Bug: 26753820
Change-Id: I44c126c3a54de332c0032e1d7d158f95099bfc03
1 file changed