Fix LD_LIBRARY_PATH in run_all_unit_test.sh

Merge from Widevine repo of http://go/wvgerrit/75383

Because the tests need to find liboemcrypto.so.

Bug: 129354680
Test: ran on taimen and bonito.
Change-Id: I9cc802a2396937739b164851f51726fbc80550d5

libwvdrmengine/run_all_unit_tests.sh

@@ -26,6 +26,9 @@ elif [ 0 -eq `expr index "$GTEST_FILTER" "-"` ]; then
   GTEST_FILTER="$GTEST_FILTER-"
 fi
 
+# The Android supplement allows for installation in these paths:
+OEC_PATHS=/vendor/lib64:/vendor/lib
+
 # Execute a command in "adb shell" and capture the result.
 adb_shell_run() {
   local test_file=$1
@@ -40,7 +43,7 @@ adb_shell_run() {
   echo "------ Starting: $test_file"
   local tmp_log="$OUT/mediadrmtest.log"
   local adb_error="[ADB SHELL] $@ $test_file failed"
-  adb $SERIAL_NUM shell "GTEST_FILTER=$GTEST_FILTER $@ $test_file" \|\| echo "$adb_error" | tee "$tmp_log"
+  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" "$tmp_log"
   local result=$?
   if [ $result -ne 0 ]; then