Android 9.0.0 Release 31 (PQ2A.190205.001)
Revert "Fix and suppress warnings in external/libspeex."

This reverts commit 201a22f03f2757a0fb4c1d89f91d007d84fb2edd.

Bug: http://b/77299793
Test: builds (this revert manually tested by bug submitter)

(cherry picked from commit 6f971cbdd68a66776600df0b24df086bbec439d3)

Change-Id: Ie96f5f243252061a5d0e740641b40dabeb0dade7
2 files changed