Merge changes from topic "modules_partition"

* changes:
  fastboot: add modules partition
  rootdir: Add modules directory

fastboot/fastboot.bash

@@ -109,7 +109,7 @@ _fastboot_cmd_flash() {
 
     cur="${COMP_WORDS[COMP_CWORD]}"
     if [[ $i -eq $COMP_CWORD ]]; then
-        partitions="boot bootloader dtbo modem odm odm_dlkm oem product radio recovery system vbmeta vendor vendor_dlkm"
+        partitions="boot bootloader dtbo modem modules odm odm_dlkm oem product radio recovery system vbmeta vendor vendor_dlkm"
         COMPREPLY=( $(compgen -W "$partitions" -- $cur) )
     else
         _fastboot_util_complete_local_file "${cur}" '!*.img'

fastboot/fastboot.cpp

@@ -144,6 +144,7 @@ static Image images[] = {
     { "cache",    "cache.img",        "cache.sig",    "cache",    true,  ImageType::Extra },
     { "dtbo",     "dtbo.img",         "dtbo.sig",     "dtbo",     true,  ImageType::BootCritical },
     { "dts",      "dt.img",           "dt.sig",       "dts",      true,  ImageType::BootCritical },
+    { "modules",  "modules.img",      "modules.sig",  "modules",  true,  ImageType::Normal },
     { "odm",      "odm.img",          "odm.sig",      "odm",      true,  ImageType::Normal },
     { "odm_dlkm", "odm_dlkm.img",     "odm_dlkm.sig", "odm_dlkm", true,  ImageType::Normal },
     { "product",  "product.img",      "product.sig",  "product",  true,  ImageType::Normal },

rootdir/Android.mk

@@ -141,6 +141,9 @@ LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/odm_dlkm
 # via /odm/lib/modules directly.
 LOCAL_POST_INSTALL_CMD += ; ln -sf /odm/odm_dlkm/etc $(TARGET_ROOT_OUT)/odm_dlkm/etc
 
+# For /modules partition.
+LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/modules
+
 ifdef BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
   LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/cache
 else