onclite: Allow using BUILD_COPY_HEADERS

Bug: 130719878
Test: turn copy headers into an error by default; still builds
Change-Id: I67d0d8ee96678e60b0a3886b7828c14c3b008126

BoardConfig.mk

@@ -34,7 +34,9 @@ TARGET_BOARD_PLATFORM_GPU := qcom-adreno506
 
 TARGET_BOARD_SUFFIX := _64
 
+# Build broken
 BUILD_BROKEN_DUP_RULES := true
+BUILD_BROKEN_USES_BUILD_COPY_HEADERS := true
 
 # AVB
 BOARD_AVB_ENABLE := true