android: fix llvm, elf dependencies for M, N releases

These changes set the correct llvm version and elf include path
which differ for Marshmallow and Nougat

Cc: "17.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>

Android.common.mk

@@ -81,8 +81,18 @@ endif
 endif
 
 ifeq ($(MESA_ENABLE_LLVM),true)
-LOCAL_CFLAGS += \
-	-DHAVE_LLVM=0x0305 -DMESA_LLVM_VERSION_PATCH=2
+  ifeq ($(MESA_ANDROID_MAJOR_VERSION),5)
+    LOCAL_CFLAGS += -DHAVE_LLVM=0x0305 -DMESA_LLVM_VERSION_PATCH=2
+    ELF_INCLUDES := external/elfutils/0.153/libelf
+  endif
+  ifeq ($(MESA_ANDROID_MAJOR_VERSION),6)
+    LOCAL_CFLAGS += -DHAVE_LLVM=0x0307 -DMESA_LLVM_VERSION_PATCH=0
+    ELF_INCLUDES := external/elfutils/src/libelf
+  endif
+  ifeq ($(MESA_ANDROID_MAJOR_VERSION),7)
+    LOCAL_CFLAGS += -DHAVE_LLVM=0x0308 -DMESA_LLVM_VERSION_PATCH=0
+    ELF_INCLUDES := external/elfutils/libelf
+  endif
 endif
 
 ifneq ($(LOCAL_IS_HOST_MODULE),true)

src/amd/Android.common.mk

@@ -55,7 +55,7 @@ LOCAL_C_INCLUDES := \
 	external/llvm/include \
 	external/llvm/device/include \
 	external/libcxx/include \
-	external/elfutils/$(if $(filter 5,$(MESA_ANDROID_MAJOR_VERSION)),0.153/,$(if $(filter 6,$(MESA_ANDROID_MAJOR_VERSION)),src/))libelf
+	$(ELF_INCLUDES)
 
 LOCAL_STATIC_LIBRARIES := libLLVMCore
 

src/gallium/Android.common.mk

@@ -34,7 +34,7 @@ LOCAL_C_INCLUDES += \
 	external/llvm/include \
 	external/llvm/device/include \
 	external/libcxx/include \
-	external/elfutils/$(if $(filter true,$(MESA_LOLLIPOP_BUILD)),0.153/)libelf
+	$(ELF_INCLUDES)
 endif
 
 include $(MESA_COMMON_MK)