Simplify Boolean expressions

This patch simplifies boolean expressions acorss LLDB. It was generated
using clang-tidy with the following command:

run-clang-tidy.py -checks='-*,readability-simplify-boolean-expr' -format -fix $PWD

Differential revision: https://reviews.llvm.org/D55584

llvm-svn: 349215
diff --git a/lldb/source/Target/StopInfo.cpp b/lldb/source/Target/StopInfo.cpp
index f7ea966..4e13c58 100644
--- a/lldb/source/Target/StopInfo.cpp
+++ b/lldb/source/Target/StopInfo.cpp
@@ -542,9 +542,9 @@
               __FUNCTION__, m_value);
       }
 
-      if ((m_should_stop == false || internal_breakpoint)
-          && thread_sp->CompletedPlanOverridesBreakpoint()) {
-        
+      if ((!m_should_stop || internal_breakpoint) &&
+          thread_sp->CompletedPlanOverridesBreakpoint()) {
+
         // Override should_stop decision when we have completed step plan
         // additionally to the breakpoint
         m_should_stop = true;