Determine product partition path on build time

Path of product partitoin can be set as /product or /system/product
whether generate extra product partition or not.
Substitute %PRODUCT% to relevant path to know linker which path should
search and permit.

Bug: 110286945
Test: m -j # Check /system/etc/ld.config.$(PLATFORM_VNDK_VERSION).txt
Change-Id: I6ca177d0c9c5af00ad821879fece40848331fc8d

rootdir/Android.mk

@@ -201,6 +201,7 @@ $(2): $(1)
 	$$(hide) sed -i -e 's?%VNDK_CORE_LIBRARIES%?$$(PRIVATE_VNDK_CORE_LIBRARIES)?g' $$@
 	$$(hide) sed -i -e 's?%SANITIZER_RUNTIME_LIBRARIES%?$$(PRIVATE_SANITIZER_RUNTIME_LIBRARIES)?g' $$@
 	$$(hide) sed -i -e 's?%VNDK_VER%?$$(PRIVATE_VNDK_VERSION)?g' $$@
+	$$(hide) sed -i -e 's?%PRODUCT%?$$(TARGET_COPY_OUT_PRODUCT)?g' $$@
 
 llndk_libraries_list :=
 vndksp_libraries_list :=

rootdir/etc/ld.config.txt

@@ -7,7 +7,7 @@
 # absolute path of an executable is selected.
 dir.system = /system/bin/
 dir.system = /system/xbin/
-dir.system = /product/bin/
+dir.system = /%PRODUCT%/bin/
 
 dir.vendor = /odm/bin/
 dir.vendor = /vendor/bin/
@@ -39,7 +39,7 @@ additional.namespaces = sphal,vndk,rs
 namespace.default.isolated = true
 
 namespace.default.search.paths  = /system/${LIB}
-namespace.default.search.paths += /product/${LIB}
+namespace.default.search.paths += /%PRODUCT%/${LIB}
 
 # We can't have entire /system/${LIB} as permitted paths because doing so
 # makes it possible to load libs in /system/${LIB}/vndk* directories by
@@ -51,8 +51,7 @@ namespace.default.search.paths += /product/${LIB}
 namespace.default.permitted.paths  = /system/${LIB}/drm
 namespace.default.permitted.paths += /system/${LIB}/extractors
 namespace.default.permitted.paths += /system/${LIB}/hw
-namespace.default.permitted.paths += /product/${LIB}
-namespace.default.permitted.paths += /system/product/${LIB}
+namespace.default.permitted.paths += /%PRODUCT%/${LIB}
 # These are where odex files are located. libart has to be able to dlopen the files
 namespace.default.permitted.paths += /system/framework
 namespace.default.permitted.paths += /system/app
@@ -64,12 +63,9 @@ namespace.default.permitted.paths += /odm/framework
 namespace.default.permitted.paths += /odm/app
 namespace.default.permitted.paths += /odm/priv-app
 namespace.default.permitted.paths += /oem/app
-namespace.default.permitted.paths += /product/framework
-namespace.default.permitted.paths += /product/app
-namespace.default.permitted.paths += /product/priv-app
-namespace.default.permitted.paths += /system/product/framework
-namespace.default.permitted.paths += /system/product/app
-namespace.default.permitted.paths += /system/product/priv-app
+namespace.default.permitted.paths += /%PRODUCT%/framework
+namespace.default.permitted.paths += /%PRODUCT%/app
+namespace.default.permitted.paths += /%PRODUCT%/priv-app
 namespace.default.permitted.paths += /data
 namespace.default.permitted.paths += /mnt/expand
 
@@ -92,14 +88,10 @@ namespace.default.asan.permitted.paths += /odm/framework
 namespace.default.asan.permitted.paths += /odm/app
 namespace.default.asan.permitted.paths += /odm/priv-app
 namespace.default.asan.permitted.paths += /oem/app
-namespace.default.asan.permitted.paths += /product/${LIB}
-namespace.default.asan.permitted.paths += /product/framework
-namespace.default.asan.permitted.paths += /product/app
-namespace.default.asan.permitted.paths += /product/priv-app
-namespace.default.asan.permitted.paths += /system/product/${LIB}
-namespace.default.asan.permitted.paths += /system/product/framework
-namespace.default.asan.permitted.paths += /system/product/app
-namespace.default.asan.permitted.paths += /system/product/priv-app
+namespace.default.asan.permitted.paths += /%PRODUCT%/${LIB}
+namespace.default.asan.permitted.paths += /%PRODUCT%/framework
+namespace.default.asan.permitted.paths += /%PRODUCT%/app
+namespace.default.asan.permitted.paths += /%PRODUCT%/priv-app
 namespace.default.asan.permitted.paths += /mnt/expand
 
 ###############################################################################
@@ -335,7 +327,7 @@ namespace.vndk.link.default.allow_all_shared_libs = true
 namespace.system.isolated = false
 
 namespace.system.search.paths  = /system/${LIB}
-namespace.system.search.paths += /product/${LIB}
+namespace.system.search.paths += /%PRODUCT%/${LIB}
 
 namespace.system.asan.search.paths  = /data/asan/system/${LIB}
 namespace.system.asan.search.paths +=           /system/${LIB}
@@ -353,4 +345,4 @@ namespace.system.asan.search.paths +=           /product/${LIB}
 [postinstall]
 namespace.default.isolated = false
 namespace.default.search.paths  = /system/${LIB}
-namespace.default.search.paths += /product/${LIB}
+namespace.default.search.paths += /%PRODUCT%/${LIB}