Revert "Enable profiled guided compilation in dex2oat"

Revert "Enable profiled guided compilation in dex2oat"

Test has flakes:

+art F 30865 30865 art/runtime/java_vm_ext.cc:466] JNI DETECTED ERROR IN APPLICATION: input is not valid Modified UTF-8: illegal start byte 0x80
+art F 30865 30865 art/runtime/java_vm_ext.cc:466]     string: '��gy�\7f'
+art F 30865 30865 art/runtime/java_vm_ext.cc:466]     input: '<0x80> 0xd8 0x67 0x79 0x8e 0x7f'
+art F 30865 30865 art/runtime/java_vm_ext.cc:466]     in call to NewStringUTF
+art F 30865 30865 art/runtime/java_vm_ext.cc:466]     from java.lang.String Main.getProfileInfoDump(java.lang.String, java.lang.Class, java.lang.Class)

This reverts commit 27e17fd81cc30e16e86c9c15498cae7f920c9dfe.

Change-Id: Id224b5970c3620c4c71fc0d39ed4a2e4755e5f29