Add symlinks for toybox truncate(1).

Bug: 142424832
Bug: 142803849
Test: treehugger
Change-Id: Ia4213ac77fef7a3e6f561a05d0de2da83ebebafb
diff --git a/path/darwin-x86/truncate b/path/darwin-x86/truncate
new file mode 120000
index 0000000..feaf26c
--- /dev/null
+++ b/path/darwin-x86/truncate
@@ -0,0 +1 @@
+../../darwin-x86/bin/toybox
\ No newline at end of file
diff --git a/path/linux-x86/truncate b/path/linux-x86/truncate
new file mode 120000
index 0000000..c6b4b1f
--- /dev/null
+++ b/path/linux-x86/truncate
@@ -0,0 +1 @@
+../../linux-x86/bin/toybox
\ No newline at end of file