ci/android: check for ANGLE_TAG in android-deqp-runner.sh

Check for ANGLE_TAG instead of USE_ANGLE in android-deqp-runner.sh to be
consistent with what deqp-runner.sh does.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34111>

.gitlab-ci/android-deqp-runner.sh

@@ -39,7 +39,7 @@ if [ -e "$INSTALL/$GPU_VERSION-skips.txt" ]; then
     DEQP_SKIPS="$DEQP_SKIPS /data/deqp/$GPU_VERSION-skips.txt"
 fi
 
-if [ -n "$USE_ANGLE" ]; then
+if [ -n "$ANGLE_TAG" ]; then
     DEQP_SKIPS="$DEQP_SKIPS /data/deqp/angle-skips.txt"
 fi