Fix error test path in TEST_MAPPING

The test path was changed because autofill tests re-structure.
Correct the wrong path.

Bug: 159304958
Bug: 154961272
Test: atest --test-mapping frameworks/base/core/java/android/widget
Change-Id: Ie83c5c25e65d4ba767b23b1f7388b2d5fb32ca51
1 file changed