Set additional metadata for virtual camera

- focal length
- sensor physical size
- sensor pixel array size

Bug: 322965201
Test: atest virtual_camera_tests
Change-Id: I11d84a4473bd944529e65e090547c3de31369dba
diff --git a/services/camera/virtualcamera/VirtualCameraDevice.cc b/services/camera/virtualcamera/VirtualCameraDevice.cc
index a244c0f..ff53be5 100644
--- a/services/camera/virtualcamera/VirtualCameraDevice.cc
+++ b/services/camera/virtualcamera/VirtualCameraDevice.cc
@@ -151,9 +151,11 @@
           .setFlashAvailable(false)
           .setLensFacing(
               static_cast<camera_metadata_enum_android_lens_facing>(lensFacing))
+          .setFocalLength(43.0)
           .setSensorOrientation(static_cast<int32_t>(sensorOrientation))
           .setSensorReadoutTimestamp(
               ANDROID_SENSOR_READOUT_TIMESTAMP_NOT_SUPPORTED)
+          .setSensorPhysicalSize(36.0, 24.0)
           .setAvailableFaceDetectModes({ANDROID_STATISTICS_FACE_DETECT_MODE_OFF})
           .setAvailableMaxDigitalZoom(1.0)
           .setControlAvailableModes({ANDROID_CONTROL_MODE_AUTO})
@@ -188,6 +190,7 @@
   }
   builder.setSensorActiveArraySize(0, 0, maxResolution->width,
                                    maxResolution->height);
+  builder.setSensorPixelArraySize(maxResolution->width, maxResolution->height);
 
   std::vector<MetadataBuilder::StreamConfiguration> outputConfigurations;
 
diff --git a/services/camera/virtualcamera/util/MetadataBuilder.cc b/services/camera/virtualcamera/util/MetadataBuilder.cc
index c2daa3b..4c811b2 100644
--- a/services/camera/virtualcamera/util/MetadataBuilder.cc
+++ b/services/camera/virtualcamera/util/MetadataBuilder.cc
@@ -82,6 +82,13 @@
   return *this;
 }
 
+MetadataBuilder& MetadataBuilder::setFocalLength(float focalLength) {
+  std::vector<float> focalLengths({focalLength});
+  mEntryMap[ANDROID_LENS_FOCAL_LENGTH] = focalLengths;
+  mEntryMap[ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS] = focalLengths;
+  return *this;
+}
+
 MetadataBuilder& MetadataBuilder::setSensorOrientation(int32_t sensorOrientation) {
   mEntryMap[ANDROID_SENSOR_ORIENTATION] =
       std::vector<int32_t>({sensorOrientation});
@@ -310,6 +317,20 @@
   return *this;
 }
 
+MetadataBuilder& MetadataBuilder::setSensorPixelArraySize(int width,
+                                                          int height) {
+  mEntryMap[ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE] =
+      std::vector<int32_t>({width, height});
+  return *this;
+}
+
+MetadataBuilder& MetadataBuilder::setSensorPhysicalSize(float width,
+                                                        float height) {
+  mEntryMap[ANDROID_SENSOR_INFO_PHYSICAL_SIZE] =
+      std::vector<float>({width, height});
+  return *this;
+}
+
 MetadataBuilder& MetadataBuilder::setControlAeCompensationRange(int32_t min,
                                                                 int32_t max) {
   mEntryMap[ANDROID_CONTROL_AE_COMPENSATION_RANGE] =
diff --git a/services/camera/virtualcamera/util/MetadataBuilder.h b/services/camera/virtualcamera/util/MetadataBuilder.h
index fc4d51a..82510c1 100644
--- a/services/camera/virtualcamera/util/MetadataBuilder.h
+++ b/services/camera/virtualcamera/util/MetadataBuilder.h
@@ -78,6 +78,10 @@
       camera_metadata_enum_android_sensor_readout_timestamp_t
           sensorReadoutTimestamp);
 
+  // See ANDROID_LENS_FOCAL_LENGTH and ANDROID_LENS_INFO_AVAILABLE_FOCAL_LENGTHS
+  // in CameraMetadataTag.aidl.
+  MetadataBuilder& setFocalLength(float focalLength);
+
   // See ANDROID_SENSOR_ORIENTATION in CameraMetadataTag.aidl.
   MetadataBuilder& setSensorOrientation(int32_t sensorOrientation);
 
@@ -90,6 +94,12 @@
   // See ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE in CameraMetadataTag.aidl.
   MetadataBuilder& setSensorActiveArraySize(int x0, int y0, int x1, int y1);
 
+  // See ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE in CameraMetadataTag.aidl.
+  MetadataBuilder& setSensorPixelArraySize(int width, int height);
+
+  // See ANDROID_SENSOR_INFO_PHYSICAL_SIZE in CameraMetadataTag.aidl.
+  MetadataBuilder& setSensorPhysicalSize(float width, float height);
+
   // See ANDROID_STATISTICS_FACE_DETECT_MODE in CameraMetadataTag.aidl.
   MetadataBuilder& setAvailableFaceDetectModes(
       const std::vector<camera_metadata_enum_android_statistics_face_detect_mode_t>&