Disable Checker for tests that don't invoke the compiler.

Running tests in no-prebuild mode will resort to running the
interpreter when either dex2oat or patchoat are not available, thus
not producing the CFG dump tested by Checker. This patch disables
Checker under such configurations.

Bug: 22552692

Change-Id: I23c97aa0aa627675861ef84f8c570303b614d9af
1 file changed