Revert "Temporarily turn off ASAN for libcompositionengine_test"

This reverts commit 2e8910ee.

This turns ASan support back on for this test, since the bug preventing
it has been fixed in a prior toolchain release.

Bug: http://b/139747256
Bug: http://b/131328001
Test: atest libcompositionengine_test

Change-Id: Id446b760c5d39a19f51144b09aa1484b644f3dfd