Make InvokeInterfaceTrampoline check methods

InvokeInterfaceTrampoline was causing problems by looking into the
ImtConflictTable of non-imt-conflict-methods. This makes it check for
that before doing so.

Bug: 27931085

(cherry picked from commit 9fc547ac3936fe88e9592f4a47afd7b134cb607c)

Change-Id: I993178a371f8f46535a752e5c4d46d74777cefaf
8 files changed