libwvhidl: upgrade to android.hardware.drm@1.4

Bug: 136119370
Test: GtsMediaTestCases MediaDrmTest#testRequiresSecureDecoder
Change-Id: Iaaa7c225c0056904b5fd98c4557ec47f661b2c7d

libwvdrmengine/mediacrypto/src_hidl/WVCryptoPlugin.cpp

@@ -40,7 +40,7 @@ inline Status toStatus_1_0(Status_V1_2 status) {
 namespace wvdrm {
 namespace hardware {
 namespace drm {
-namespace V1_2 {
+namespace V1_4 {
 namespace widevine {
 
 using android::hardware::drm::V1_2::widevine::toVector;
@@ -345,7 +345,7 @@ Status_V1_2 WVCryptoPlugin::attemptDecrypt(
 }
 
 }  // namespace widevine
-}  // namespace V1_2
+}  // namespace V1_4
 }  // namespace drm
 }  // namespace hardware
 }  // namespace wvdrm