sm7150: cherry pick histogram code from sm8150

This ports the sm8150 code for the histogram collection
to the sm7150 code base. This is mostly porting the libhistogram
helper library, code is not used.

Bug: 143513619
Test: ./color_sampling_test
Test: libgui_test  --gtest_filter=DisplayedContentSamplingTest*
Test: dumpsys SurfaceFlinger

Change-Id: I819ed037488fa18e3248ecf5505d80cbe474f233

1 files changed, 1 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 9c9bb03c..e268dbfc 100644
--- a/Android.bp
+++ b/Android.bp
@@ -38,6 +38,7 @@ cc_library_headers {
         "sdm/include",
         "gralloc",
         "libdebug",
+        "libhistogram",
     ],
     header_libs: ["libhardware_headers", "//vendor/qcom/sm7150:display_intf_headers"],
     export_header_lib_headers: ["libhardware_headers", "//vendor/qcom/sm7150:display_intf_headers"],