Use pressMenu() in ScreenOff to avoid launching camera.

Bug: 147518703
Test: Manual
Change-Id: Ia1d5c3f9079839ac55fa652f9b7950b49284aa9b
(cherry picked from commit 02ba326bf632b3f7485b7a48173c22c9adef4d4e)
diff --git a/tests/health/scenarios/src/android/platform/test/scenario/system/ScreenOff.java b/tests/health/scenarios/src/android/platform/test/scenario/system/ScreenOff.java
index 1f5e234..a2e1290 100644
--- a/tests/health/scenarios/src/android/platform/test/scenario/system/ScreenOff.java
+++ b/tests/health/scenarios/src/android/platform/test/scenario/system/ScreenOff.java
@@ -57,8 +57,11 @@
     @After
     public void tearDown() throws RemoteException {
         if (mTurnScreenBackOn.get()) {
-            mDevice.wakeUp();
+            // Wake up the display. wakeUp() is not used here as when the duration is short, the
+            // device might register a double power button press and launch camera.
+            mDevice.pressMenu();
             mDevice.waitForIdle();
+            // Unlock the screen.
             mDevice.pressMenu();
             mDevice.waitForIdle();
         }