Clean up AllocationCopyPaddedTest.java in cts

Bug: 27477433

  - Match function names in the related error messages.
  - Remove extra spaces.

Change-Id: I1d7ea6630c32f2b32c59bcdb00c6db28b54d0f4f
(cherry picked from commit 4dcdab1ff03736df8009e7a858910647784f4ac3)
1 file changed