Add clang format configuration

Contemplate the configuration with: https://clang-format-configurator.site/

(cherry picked from commit 53fdcbca509b6c5dacaea3d3c465d86e49b0dd74)
Change-Id: I5446fd45de2bf644e34112f719afb3318a440b30

.clang-format

@@ -0,0 +1,51 @@
+---
+BasedOnStyle: LLVM
+AccessModifierOffset: -4
+AlignAfterOpenBracket: BlockIndent
+AlignEscapedNewlines: Left
+AlignOperands: DontAlign
+AllowShortBlocksOnASingleLine: Always
+AllowShortFunctionsOnASingleLine: Empty
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: false
+BinPackParameters: false
+BitFieldColonSpacing: None
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: true
+  AfterControlStatement: MultiLine
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterObjCDeclaration: false
+  AfterStruct: true
+  AfterUnion: true
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  BeforeLambdaBody: false
+  BeforeWhile: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: true
+BreakAfterAttributes: Always
+BreakBeforeBinaryOperators: NonAssignment
+BreakBeforeBraces: Custom
+BreakConstructorInitializers: BeforeComma
+ColumnLimit: 100
+EmptyLineAfterAccessModifier: Leave
+EmptyLineBeforeAccessModifier: Leave
+FixNamespaceComments: false
+IndentWidth: 4
+InsertBraces: true
+InsertTrailingCommas: Wrapped
+LambdaBodyIndentation: Signature
+PackConstructorInitializers: CurrentLine
+PointerAlignment: Middle
+SortIncludes: Never
+SpaceAfterCStyleCast: true
+SpaceAfterTemplateKeyword: false
+