Revert "Avoid fd leaks when jniCreateFileDescriptor encounters OOME"

This reverts commit df24e75c1eda2c0c66c77127d424bed114286043.

Bug: 155706035

Reason for revert: Fails with:
 dalvikvm64 F 05-26 18:01:51 30313 30324 runtime.cc:663] JNI DETECTED ERROR IN APPLICATION: expected reference of kind Local but found Global: 0x69a
    dalvikvm64 F 05-26 18:01:51 30313 30324 runtime.cc:663]     in call to DeleteLocalRef
    dalvikvm64 F 05-26 18:01:51 30313 30324 runtime.cc:663]     from int sun.nio.ch.Net.socket0(boolean, boolean, boolean, boolean)

See:
https://ci.chromium.org/p/art/builders/ci/host-x86_64-ndebug/12970

Change-Id: I916872ca9a43ffa4f6208fce35a6a706441a5997
2 files changed