Revert "Disable 639-checker-code-sinking in PIC mode."

The test is now passing, probably since
    https://android-review.googlesource.com/478026 .

Test: testrunner.py --host --pictest -t 639-checker-code-sinking
Test: testrunner.py --target --pictest -t 639-checker-code-sinking
Bug: 65366606

This reverts commit e4e692ad9f7fe828dfad451692fdb636cfd7df4c.

Change-Id: Iaafff8b858347df5915608bad31c6001b68001c8
1 file changed