Reverse LD_LIBRARY_PATH order based on liboemcrypto.so

am: 45d02c545c

Change-Id: I2e28abef3400773443df0bbb0f6392663bbd93a6

libwvdrmengine/run_all_unit_tests.sh

@@ -43,6 +43,14 @@ adb_shell_run() {
   echo "------ Starting: $test_file"
   local tmp_log="$OUT/mediadrmtest.log"
   local adb_error="[ADB SHELL] $@ $test_file failed"
+  # The liboemcrypto.so looks for other shared libraries using the
+  # LD_LIBRARY_PATH. It is possible that even though the 64-bit liboemcrypto.so
+  # does not exist, there are 64-bit versions of the shared libraries it tries
+  # to load. We must reverse the library path in this case so we don't attempt
+  # to load 64-bit libraries with the 32-bit liboemcrypto.so.
+  if ! adb $SERIAL_NUM shell ls /vendor/lib64/liboemcrypto.so &> /dev/null; then
+    OEC_PATHS=/vendor/lib:/vendor/lib64
+  fi
   adb $SERIAL_NUM shell "LD_LIBRARY_PATH=$OEC_PATHS GTEST_FILTER=$GTEST_FILTER $@ $test_file" \|\| echo "$adb_error" | tee "$tmp_log"
   ! grep -Fq "$adb_error" "$tmp_log"
   local result=$?