assembleDebug -> assembleRelease

Bug: 186569865
Test: ./gradlew buildOnServer -m | grep assembleDebug # and see there are only two matches:

    :lifecycle:lifecycle-viewmodel-savedstate:assembleDebug SKIPPED
    :navigation:navigation-common:assembleDebug SKIPPED

Test: Treehugger runs busytown/*.sh

Change-Id: I59ad7d18b30c684a951f341412c6f6ba6152ec4d
diff --git a/development/diagnose-build-failure/diagnose-build-failure.sh b/development/diagnose-build-failure/diagnose-build-failure.sh
index 5465d39..44b0cea 100755
--- a/development/diagnose-build-failure/diagnose-build-failure.sh
+++ b/development/diagnose-build-failure/diagnose-build-failure.sh
@@ -19,7 +19,7 @@
   echo "  Replaces the requirement for "'`'"./gradlew <tasks>"'`'" to fail with the requirement that it produces the given message"
   echo
   echo "SAMPLE USAGE"
-  echo "  $0 assembleDebug # or any other arguments you would normally give to ./gradlew"
+  echo "  $0 assembleRelease # or any other arguments you would normally give to ./gradlew"
   echo
   echo "OUTPUT"
   echo "  diagnose-build-failure will conclude one of the following:"