inline_asm_tests: add agnostic-is-undisturbed option

Agnostic tail handling can be legally implemented as undisturbed.
Add an option which can be used for devices employing this approach.
Since passing command line arguments to a gtest is non-trivial
we use env variable.

Test: inline_asm_tests
Bug: 301577077
Change-Id: If250aa012d532086cb9b395dd73cdfefc156bea2
1 file changed