Remove hidl support.

Merged from http://go/wvgerrit/161857

Test: streaming(Netflix, Play Movies & TV)
Test: ./build_and_run_all_unit_tests.sh
Test: adb shell ps | grep drm
Test: metrics_dump
Test: hardware/interfaces/drm/aidl/vts$ atest VtsAidlHalDrmTargetTest

Bug: 259299992
Change-Id: I76bcc82bbfb3fc60987b66265a580946a16c341d

libwvdrmengine/build_all_unit_tests.sh

@@ -9,12 +9,9 @@ fi
 
 # Read arguments in case the user wants to do a multicore build or
 # copy files to a specific android device by providing a serial number.
-# The default build target is for AIDL service, use "-t hidl" to
-# build for HIDL service.
-WV_UNITTESTS_BUILD_TARGET=""
 NUM_CORES=1
 SERIAL_NUM=""
-while getopts "j:s:t:" opt; do
+while getopts "j:s:" opt; do
   case $opt in
     j)
       NUM_CORES=$OPTARG
@@ -22,9 +19,6 @@ while getopts "j:s:t:" opt; do
     s)
       SERIAL_NUM="-s $OPTARG"
       ;;
-    t)
-      WV_UNITTESTS_BUILD_TARGET="WV_UNITTESTS_BUILD_TARGET=$OPTARG"
-      ;;
   esac
 done
 
@@ -81,7 +75,7 @@ WV_UNITTESTS="base64_test \
 
 cd $ANDROID_BUILD_TOP
 pwd
-m -j $NUM_CORES $WV_UNITTESTS $WV_UNITTESTS_BUILD_TARGET
+m -j $NUM_CORES $WV_UNITTESTS
 
 
 # Detect the device and check if Verity is going to stop the script from working