Revert "Use mediadrm from private instead of tangorpro"

Revert submission 29489024-pixel_tablet_mediadrm

Reason for revert: DroidMonitor: Potential culprit for http://b/369192150 - Verifying through ABTD before submission. 

Reverted changes: /q/submissionid:29489024-pixel_tablet_mediadrm

Change-Id: I3c1c31b871275bf2b5ceb93120918f749f828cd1

cast_auth/mediadrm/DrmFactory.cpp

@@ -0,0 +1,82 @@
+#define LOG_TAG "castkey-DrmFactory"
+
+#include <utils/Log.h>
+
+#include "DrmFactory.h"
+
+#include "DrmPlugin.h"
+#include "Utils.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace drm {
+namespace castkey {
+
+namespace {
+
+const std::array<uint8_t, 16> kCastKeyUUID{
+    0xBC, 0xB4, 0x81, 0xCB, 0xA1, 0xD5, 0x42, 0xAF,
+    0xB1, 0xE3, 0x7B, 0xFF, 0x14, 0x73, 0xEB, 0x85
+};
+
+bool isCastKeyUUID(const uint8_t uuid[16]) {
+    return !memcmp(uuid, kCastKeyUUID.data(), 16);
+}
+
+}
+
+using std::string;
+using std::vector;
+
+using ::aidl::android::hardware::drm::Status;
+using ::aidl::android::hardware::drm::Uuid;
+using namespace castkeydrm;
+
+::ndk::ScopedAStatus DrmFactory::createDrmPlugin(
+        const Uuid& in_uuid, const string& in_appPackageName,
+        std::shared_ptr<::aidl::android::hardware::drm::IDrmPlugin>* _aidl_return) {
+    UNUSED(in_appPackageName);
+    if (!isCastKeyUUID(in_uuid.uuid.data())) {
+        ALOGE("Castkey Drm HAL: failed to create drm plugin, "
+              "invalid crypto scheme");
+        *_aidl_return = nullptr;
+        return toNdkScopedAStatus(Status::BAD_VALUE);
+    }
+    std::shared_ptr<DrmPlugin> plugin =
+            ::ndk::SharedRefBase::make<DrmPlugin>();
+    *_aidl_return = plugin;
+    return toNdkScopedAStatus(Status::OK);
+}
+
+::ndk::ScopedAStatus DrmFactory::createCryptoPlugin(
+        const Uuid& in_uuid, const std::vector<uint8_t>& in_initData,
+        std::shared_ptr<::aidl::android::hardware::drm::ICryptoPlugin>* _aidl_return) {
+    UNUSED(in_uuid);
+    UNUSED(in_initData);
+    UNUSED(_aidl_return);
+    return toNdkScopedAStatus(Status::ERROR_DRM_CANNOT_HANDLE);
+}
+
+::ndk::ScopedAStatus DrmFactory::getSupportedCryptoSchemes(CryptoSchemes* _aidl_return) {
+    CryptoSchemes schemes{};
+    schemes.uuids.push_back({kCastKeyUUID});
+    *_aidl_return = schemes;
+    return toNdkScopedAStatus(Status::OK);
+}
+
+binder_status_t DrmFactory::dump(int fd, const char** args, uint32_t numArgs) {
+    UNUSED(args);
+    UNUSED(numArgs);
+    if (fd < 0) {
+        ALOGE("%s: negative fd", __FUNCTION__);
+        return STATUS_BAD_VALUE;
+    }
+    return STATUS_OK;
+}
+
+}  // namespace castkey
+}  // namespace drm
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl