Mterp/arm: Add CFI directives.

Includes reworking of float_to_long and double_to_long to
elminate frame (as suggested by vmarko).

Test: m ART_TEST_INTERPRETER=true test-art-target (in progress)
Bug: 31456348
Change-Id: Ic4e985b977f76c4df926559b187d92d969206514
7 files changed