init.rc: add class_start early_hal

This class is used to start hals which are required in order to mount
data (for instance keymaster).

Test: works to start early_hal in internal
Bug: 36278706
Change-Id: If06908135e59b187683d8cf4cc4a00b490559081
(cherry picked from commit 5d56bad4bde0168fb00da666cb136ff8f6d51b0f)
1 file changed