link buildSrc/gradle.properties -> gradle.properties

To allow buildSrc to use more of the properties from the root gradle.properties, particularly org.gradle.dependency.verification.console=verbose , which provides a clearer error when dependency verification fails

Bug: https://github.com/gradle/gradle/issues/20325
Change-Id: I61059d973b60ae6e287beb5dc12dd0e35c0046ce
diff --git a/buildSrc/gradle.properties b/buildSrc/gradle.properties
new file mode 120000
index 0000000..7677fb7
--- /dev/null
+++ b/buildSrc/gradle.properties
@@ -0,0 +1 @@
+../gradle.properties
\ No newline at end of file