Enable new clang-tidy checks & resolve for src/profiling.

Change-Id: I52e455506b5f60770980164fadf673258e3d23a0
diff --git a/.clang-tidy b/.clang-tidy
index 5f168ce..07073df 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -1,4 +1,4 @@
-Checks: android-cloexec-*,bugprone-*,google-explicit-constructor,android-comparison-in-temp-failure-retry
+Checks: android-cloexec-*,bugprone-*,google-explicit-constructor,android-comparison-in-temp-failure-retry,modernize-use-nullptr,performance-for-range-copy,performance-noexcept-move-constructor,readability-container-size-empty,readability-else-after-return
 CheckOptions:
   - key:             bugprone-assert-side-effect.AssertMacros
     value:           'PERFETTO_DCHECK'