python3-google-api-core: upgrade 2.7.1 -> 2.7.3

Changelog:
==========
    allow grpc without grpcio-status
    remove dependency on pkg_resources
    Avoid AttributeError if grpcio-status is not installed

Signed-off-by: Xu Huan <xuhuan.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-google-api-core_2.7.3.bb

@@ -0,0 +1,26 @@
+DESCRIPTION = "Google API client core library"
+HOMEPAGE = "https://github.com/googleapis/python-api-core"
+AUTHOR = "Google LLC"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
+
+inherit pypi setuptools3
+
+SRC_URI[sha256sum] = "17957f0704cbe95bd2ce25019efd2046423978594d181d4263e5dcffd2dbbc79"
+
+RDEPENDS:${PN} += "\
+    ${PYTHON_PN}-asyncio \
+    ${PYTHON_PN}-datetime \
+    ${PYTHON_PN}-logging \
+    ${PYTHON_PN}-math \
+"
+
+RDEPENDS:${PN} += "\
+    ${PYTHON_PN}-googleapis-common-protos \
+    ${PYTHON_PN}-google-auth \
+    ${PYTHON_PN}-grpcio \
+    ${PYTHON_PN}-protobuf \
+    ${PYTHON_PN}-pytz \
+    ${PYTHON_PN}-requests \
+    ${PYTHON_PN}-six \
+"