Camera: Fix camera id equal check

String type camera is being check with plain equality operator.
Change it to the proper equals() methods.

Bug: 356986790
Test: manual test by specifying logical id as physical id
Change-Id: I4fa82056a9219f7bcdc2e8856fe9742a65f41d75
diff --git a/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java b/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
index 97c03ed..b909ab8 100644
--- a/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
+++ b/core/java/android/hardware/camera2/impl/CameraDeviceImpl.java
@@ -849,7 +849,7 @@
             checkIfCameraClosedOrInError();
 
             for (String physicalId : physicalCameraIdSet) {
-                if (physicalId == getId()) {
+                if (Objects.equals(physicalId, getId())) {
                     throw new IllegalStateException("Physical id matches the logical id!");
                 }
             }