Remove MIPS support from JNI/trampoline compiler.

Also remove MIPS assembler/disassembler support.

Test: aosp_taimen-userdebug boots.
Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Bug: 147346243
Change-Id: Id736074b97cd04987a7902741828b119508df1c0
36 files changed