Revert "Respect max fps if specified in the request."

This reverts commit a5eca7d669095041fbaea12b00f6bf61468294ad.

Reason for revert: likely cause of b/340713701 and other CTS failures

Change-Id: I00fe5710ddc91aa7b546d20819a76560ef656fc1
diff --git a/services/camera/virtualcamera/VirtualCameraRenderThread.cc b/services/camera/virtualcamera/VirtualCameraRenderThread.cc
index a5f67b0..ca62cce 100644
--- a/services/camera/virtualcamera/VirtualCameraRenderThread.cc
+++ b/services/camera/virtualcamera/VirtualCameraRenderThread.cc
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "hardware/gralloc.h"
 #define LOG_TAG "VirtualCameraRenderThread"
 #include "VirtualCameraRenderThread.h"
 
@@ -44,7 +45,6 @@
 #include "android-base/thread_annotations.h"
 #include "android/binder_auto_utils.h"
 #include "android/hardware_buffer.h"
-#include "hardware/gralloc.h"
 #include "system/camera_metadata.h"
 #include "ui/GraphicBuffer.h"
 #include "ui/Rect.h"
@@ -422,38 +422,9 @@
 
 void VirtualCameraRenderThread::processCaptureRequest(
     const ProcessCaptureRequestTask& request) {
-  if (mTestMode) {
-    // In test mode let's just render something to the Surface ourselves.
-    renderTestPatternYCbCr420(mEglSurfaceTexture->getSurface(),
-                              request.getFrameNumber());
-  }
-
-  std::chrono::nanoseconds timestamp =
+  const std::chrono::nanoseconds timestamp =
       std::chrono::duration_cast<std::chrono::nanoseconds>(
           std::chrono::steady_clock::now().time_since_epoch());
-  std::chrono::nanoseconds lastAcquisitionTimestamp(
-      mLastAcquisitionTimestampNanoseconds.exchange(timestamp.count(),
-                                                    std::memory_order_relaxed));
-
-  if (request.getRequestSettings().fpsRange) {
-    const int maxFps =
-        std::min(1, request.getRequestSettings().fpsRange->maxFps);
-    const std::chrono::nanoseconds minFrameDuration(
-        static_cast<uint64_t>(1e9 / maxFps));
-    std::chrono::nanoseconds frameDuration =
-        timestamp - lastAcquisitionTimestamp;
-    if (frameDuration < minFrameDuration) {
-      // We're too fast for the configured maxFps, let's wait a bit.
-      std::this_thread::sleep_for(minFrameDuration - frameDuration);
-      timestamp = std::chrono::duration_cast<std::chrono::nanoseconds>(
-          std::chrono::steady_clock::now().time_since_epoch());
-      mLastAcquisitionTimestampNanoseconds.store(timestamp.count(),
-                                                 std::memory_order_relaxed);
-    }
-  }
-
-  // Acquire new (most recent) image from the Surface.
-  mEglSurfaceTexture->updateTexture();
 
   CaptureResult captureResult;
   captureResult.fmqResultSize = 0;
@@ -468,6 +439,14 @@
   const std::vector<CaptureRequestBuffer>& buffers = request.getBuffers();
   captureResult.outputBuffers.resize(buffers.size());
 
+  if (mTestMode) {
+    // In test mode let's just render something to the Surface ourselves.
+    renderTestPatternYCbCr420(mEglSurfaceTexture->getSurface(),
+                              request.getFrameNumber());
+  }
+
+  mEglSurfaceTexture->updateTexture();
+
   for (int i = 0; i < buffers.size(); ++i) {
     const CaptureRequestBuffer& reqBuffer = buffers[i];
     StreamBuffer& resBuffer = captureResult.outputBuffers[i];