Revert "Start car launcher successfully before next loop to avoid race condition."

This reverts commit 40ad0596.

Reason for revert: Caused a regression to phone platform. The car failure is only in Android P, not seen in Android Q.

Bug: 138268375
Fixes: 144129937
Test: run cts -m CtsOpenGLTestCases
              -t android.opengl.cts.EglConfigTest#testEglConfigs


Change-Id: Ifdb66a31a2a302d172efed8850140cc1d62bdeb7