Use kRGB_888x_SkColorType when importing R8G8B8X8 AHB.

Bug: skia:
Change-Id: If32fa0c711dd33c78cd57c73475f74bdeb470d8b
Reviewed-on: https://skia-review.googlesource.com/c/192420
Reviewed-by: Stan Iliev <stani@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/GrAHardwareBufferUtils.cpp b/src/gpu/GrAHardwareBufferUtils.cpp
index b36317f..43272ce 100644
--- a/src/gpu/GrAHardwareBufferUtils.cpp
+++ b/src/gpu/GrAHardwareBufferUtils.cpp
@@ -40,8 +40,9 @@
 SkColorType GetSkColorTypeFromBufferFormat(uint32_t bufferFormat) {
     switch (bufferFormat) {
         case AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM:
-        case AHARDWAREBUFFER_FORMAT_R8G8B8X8_UNORM:
             return kRGBA_8888_SkColorType;
+        case AHARDWAREBUFFER_FORMAT_R8G8B8X8_UNORM:
+            return kRGB_888x_SkColorType;
         case AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT:
             return kRGBA_F16_SkColorType;
         case AHARDWAREBUFFER_FORMAT_R5G6B5_UNORM: