Only allow short functions in class definitions.

The previous rules would force short functions to be on a single line.
This change only allows single function lines in class definitions.

Test: Ran on a CL and verified single line functions only allowed in
Test: class defintions.
Change-Id: I5422543fdbb39da842bbd799c19fe2c443ff483c
diff --git a/.clang-format-4 b/.clang-format-4
index 1497447..ae4a451 100644
--- a/.clang-format-4
+++ b/.clang-format-4
@@ -1,5 +1,6 @@
 BasedOnStyle: Google
 AccessModifierOffset: -2
+AllowShortFunctionsOnASingleLine: Inline
 ColumnLimit: 100
 CommentPragmas: NOLINT:.*
 DerivePointerAlignment: false