Camera: skip AE precaptrue trigger test on LEGACY

LEGACY device doesn't support AE precapture trigger.

Bug: 22206276
Change-Id: I3528b7e0efccc92442590435578dea8c3481cfb4
diff --git a/tests/tests/hardware/src/android/hardware/camera2/cts/StillCaptureTest.java b/tests/tests/hardware/src/android/hardware/camera2/cts/StillCaptureTest.java
index ee4ddd9..d8dda8f 100644
--- a/tests/tests/hardware/src/android/hardware/camera2/cts/StillCaptureTest.java
+++ b/tests/tests/hardware/src/android/hardware/camera2/cts/StillCaptureTest.java
@@ -341,6 +341,12 @@
                 Log.i(TAG, "Testing AE precapture cancel for jpeg capture for Camera " + id);
                 openDevice(id);
 
+                // Legacy device doesn't support AE precapture trigger
+                if (mStaticInfo.isHardwareLevelLegacy()) {
+                    Log.i(TAG, "Skipping AE precapture trigger cancel test on legacy devices");
+                    continue;
+                }
+
                 takePictureTestByCamera(/*aeRegions*/null, /*awbRegions*/null, /*afRegions*/null,
                         /*addAeTriggerCancel*/true);
             } finally {