Add support for Tegra V4L2 VDA

content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc

Index: content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc
diff --git a/content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc b/content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc
index 82a91b38021f829167062cb723d4dce1b4c599bd..1aa228d6f1eefc0daddc0c012cc9fa69de4018e4 100644
--- a/content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc
@@ -222,6 +222,10 @@ bool CrosArmGpuProcessPolicy::PreSandboxHook() {
   dlopen("/usr/lib/libnvidia-rmapi-tegra.so", dlopen_flag);
   dlopen("/usr/lib/libnvidia-eglcore.so", dlopen_flag);
   // TODO(davidung): remove these libraries before nyan launch.
+  dlopen("/usr/lib/libtegrav4l2.so", dlopen_flag);
+  // Resetting errno since platform-specific libraries will fail on other
+  // platforms.
+  errno = 0;
 
   return true;
 }