Add script for running unit tests on Android device

Maybe a little wonky, but I needed a way to run unit tests
on AArch64, and this was the best way of running unit tests
on Android that I could come up with.

Tools/run-unit-tests-android.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+#
+# Runs unit tests (must have been built beforehand) on an Android device connected via adb.
+#
+# The current working directory must contain test executables. Normally (for AArch64)
+# the working directory would be: Source/Android/app/.cxx/cmake/debug/arm64-v8a/Binaries/Tests
+
+DEVICE_DIR="/data/local/tmp/dolphin-emu-tests"
+
+# Prevent MingW MSYS from being "smart" and turning the path above into a Windows-style path
+export MSYS_NO_PATHCONV=1
+export MSYS2_ARG_CONV_EXCL="*"
+
+for path in *; do
+    f=$(basename "$path")
+
+    adb push "$path" "$DEVICE_DIR/$f" && adb shell chmod 775 "$DEVICE_DIR/$f" && adb shell "$DEVICE_DIR/$f"
+    RESULT=$(($RESULT+$?))
+
+    # Some of these executables are pretty big, so let's remove them as soon as we're done
+    adb shell rm "$DEVICE_DIR/$f"
+done
+
+echo ""
+echo "Total failed tests: $RESULT"
+
+exit $RESULT