Revert "kernel: SRCREV bump 15e3ed4..dd52df9" This reverts commit 42ecf7e48e6890ea5c6b4c5bdf954f0483ceecd9. Reason for revert: b/547880205, caused kernel crash Tested: revert Fusion-Link: fusion2 N/A Platforms-Affected: server3 Google-Bug-Id: 547880205 Change-Id: Ie803074e8c2c4ed9a229d8b0b18bcce4dd52625e (cherry picked from commit c49878375af52d6c38de58b7569fbda48b28edf1)