Add default .clang-format

Adds a default .clang-format for frameworks/native. If this style is
undesirable for a given component in this repo, it can be overriden
with a more local .clang-format file.

Test: None necessary, only for formatting
Change-Id: I0bf6bd9a15255d9a4ce3d485e841912955caa310
diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..03af56d
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,13 @@
+BasedOnStyle: Google
+
+AccessModifierOffset: -4
+AlignOperands: false
+AllowShortFunctionsOnASingleLine: Inline
+AlwaysBreakBeforeMultilineStrings: false
+ColumnLimit: 100
+CommentPragmas: NOLINT:.*
+ConstructorInitializerIndentWidth: 6
+ContinuationIndentWidth: 8
+IndentWidth: 4
+PenaltyBreakBeforeFirstCallParameter: 100000
+SpacesBeforeTrailingComments: 1