Add a file to trigger a build in aosp-rust-profiling

Test: N/A
Bug: 384401387
Change-Id: I3c1a4ab5e963a07cdba12f7d9164e97b0adc738c

PROFILE_TRIGGER.txt

diff --git a/PROFILE_TRIGGER.txt b/PROFILE_TRIGGER.txt
new file mode 100644
index 0000000..3929feb
--- /dev/null
+++ b/PROFILE_TRIGGER.txt
@@ -0,0 +1 @@
+I am a file that gets added and removed to trigger builds in the aosp-rust-profiling branch.