Add Wear build type.

This commit introduces a build type specifically to include the wear
projects and its dependencies. This makes it easier to develop for
Wear OS and it restricts the projects to be added as dependencies.

Bug: 179645380
Test: ANDROIDX_PROJECTS=WEAR ./gradlew assembleDebug
Test: ANDROIDX_PROJECTS=WEAR ./gradlew studio
Change-Id: I11fca41a32e658ed81fdb32ff5f6d7de2f7741d2

diff --git a/studiow b/studiow
index 6ba0f23..485d33d 100755
--- a/studiow
+++ b/studiow

@@ -23,6 +23,9 @@
   echo " media"
   echo "  Open the project subset media: Media, Media2, and MediaRouter"
   echo
+  echo " w, wear"
+  echo "  Open the project subset for Wear OS libraries"
+  echo
   echo " a, all"
   echo "  Open the project subset all"
   echo
@@ -63,6 +66,9 @@
   if [ "$subsetArg" == "media" ]; then
     newSubset=media
   fi
+  if [ "$subsetArg" == "w" -o "$subsetArg" == "wear" ]; then
+    newSubset=wear
+  fi
   if [ "$subsetArg" == "a" -o "$subsetArg" == "all" ]; then
     newSubset=all
   fi